Collection: Screws - Countersunk - Socket - Steel - Standard

Screws -> Countersunk -> Socket -> Steel -> Standard
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Minimum Thread Length (l) Indicative
Image
Countersunk Screws - 1/4-20 UNC - 6.35mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Overall Length (L)
101.6
mm
+ 0.0 / - 1.55
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-20 UNC - 6.35mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-102-SK-C (Pack of 100)
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Regular price $130.41 AUD
Regular price $154.89 AUD Sale price $130.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

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Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Countersunk Screws - 1/4-20 UNC - 6.35mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-20 UNC (6.35mm)
Overall Length (L)
101.6
mm
+ 0.0 / - 1.55
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-20 UNC - 6.35mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 1.270 mm    Threads Per Inch: 20 TPI   
Part Number: SK064C-102-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $130.41 AUD
Regular price $154.89 AUD Sale price $130.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-010-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $39.95 AUD
Regular price Sale price $39.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-010-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $39.95 AUD
Regular price Sale price $39.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-013-SK-C (Pack of 50)
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Regular price $40.59 AUD
Regular price Sale price $40.59 AUD
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-013-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $40.59 AUD
Regular price Sale price $40.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-016-SK-C (Pack of 50)
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Regular price $42.59 AUD
Regular price Sale price $42.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-016-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $42.59 AUD
Regular price Sale price $42.59 AUD
Priced, Stocked and Sold Per pack of 50
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-019-SK-C (Pack of 50)
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Regular price $43.05 AUD
Regular price Sale price $43.05 AUD
Priced, Stocked and Sold Per pack of 50
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-019-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $43.05 AUD
Regular price Sale price $43.05 AUD
Priced, Stocked and Sold Per pack of 50
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $45.14 AUD
Regular price Sale price $45.14 AUD
Priced, Stocked and Sold Per pack of 50
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $45.14 AUD
Regular price Sale price $45.14 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-032-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.95 AUD
Regular price Sale price $50.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-032-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.95 AUD
Regular price Sale price $50.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $82.59 AUD
Regular price Sale price $82.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $82.59 AUD
Regular price Sale price $82.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $101.77 AUD
Regular price $120.53 AUD Sale price $101.77 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $101.77 AUD
Regular price $120.53 AUD Sale price $101.77 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $101.95 AUD
Regular price $120.75 AUD Sale price $101.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $101.95 AUD
Regular price $120.75 AUD Sale price $101.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $142.32 AUD
Regular price $169.18 AUD Sale price $142.32 AUD
Priced, Stocked and Sold Per pack of 100
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Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)
Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm    Threads Per Inch: 28 TPI   
Part Number: SK064F-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $142.32 AUD
Regular price $169.18 AUD Sale price $142.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-013-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $47.68 AUD
Regular price Sale price $47.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-013-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $47.68 AUD
Regular price Sale price $47.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-016-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $49.86 AUD
Regular price Sale price $49.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-016-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $49.86 AUD
Regular price Sale price $49.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-019-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.95 AUD
Regular price Sale price $50.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-019-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.95 AUD
Regular price Sale price $50.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $81.68 AUD
Regular price Sale price $81.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $81.68 AUD
Regular price Sale price $81.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $100.95 AUD
Regular price $119.55 AUD Sale price $100.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $100.95 AUD
Regular price $119.55 AUD Sale price $100.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $45.23 AUD
Regular price $53.27 AUD Sale price $45.23 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $45.23 AUD
Regular price $53.27 AUD Sale price $45.23 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-045-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $123.05 AUD
Regular price $146.05 AUD Sale price $123.05 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-045-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $123.05 AUD
Regular price $146.05 AUD Sale price $123.05 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $127.50 AUD
Regular price $151.40 AUD Sale price $127.50 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $127.50 AUD
Regular price $151.40 AUD Sale price $127.50 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $132.41 AUD
Regular price $157.29 AUD Sale price $132.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $132.41 AUD
Regular price $157.29 AUD Sale price $132.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $166.32 AUD
Regular price $197.98 AUD Sale price $166.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079W-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $166.32 AUD
Regular price $197.98 AUD Sale price $166.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-013-SK-C (Pack of 10)
9 units (90 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.41 AUD
Regular price $5.51 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-013-SK-C (Pack of 10)
9 units (90 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.41 AUD
Regular price $5.51 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. Backorder if more than 9.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-016-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $66.68 AUD
Regular price Sale price $66.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-016-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $66.68 AUD
Regular price Sale price $66.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-019-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $69.23 AUD
Regular price Sale price $69.23 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)
Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK079C-019-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $69.23 AUD
Regular price Sale price $69.23 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.