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
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
69.9
mm
+ 0.0 / - 2.05
(Equiv. 2.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 69.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-070-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 69.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
69.9
mm
+ 0.0 / - 2.05
(Equiv. 2.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 69.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-070-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 69.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $145.95 AUD
Regular price Sale price $145.95 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $145.95 AUD
Regular price Sale price $145.95 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $145.41 AUD
Regular price Sale price $145.41 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $145.41 AUD
Regular price Sale price $145.41 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-102-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $162.14 AUD
Regular price Sale price $162.14 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-102-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $162.14 AUD
Regular price Sale price $162.14 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
114.3
mm
+ 0.0 / - 2.05
(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-114-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $82.23 AUD
Regular price $98.67 AUD Sale price $82.23 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 BSW (15.88mm)

Overall Length (L)
114.3
mm
+ 0.0 / - 2.05
(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 BSW - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 100 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159W-114-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 BSW - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $82.23 AUD
Regular price $98.67 AUD Sale price $82.23 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-025-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $223.23 AUD
Regular price Sale price $223.23 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-025-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $223.23 AUD
Regular price Sale price $223.23 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $237.23 AUD
Regular price Sale price $237.23 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $237.23 AUD
Regular price Sale price $237.23 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $109.68 AUD
Regular price Sale price $109.68 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $109.68 AUD
Regular price Sale price $109.68 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $119.86 AUD
Regular price Sale price $119.86 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $119.86 AUD
Regular price Sale price $119.86 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-057-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-057-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $62.77 AUD
Regular price $75.33 AUD Sale price $62.77 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $62.77 AUD
Regular price $75.33 AUD Sale price $62.77 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $73.50 AUD
Regular price $88.20 AUD Sale price $73.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $73.50 AUD
Regular price $88.20 AUD Sale price $73.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-102-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $42.14 AUD
Regular price $50.56 AUD Sale price $42.14 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-102-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $42.14 AUD
Regular price $50.56 AUD Sale price $42.14 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
114.3
mm
+ 0.0 / - 2.05
(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-114-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $52.50 AUD
Regular price $63.00 AUD Sale price $52.50 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
114.3
mm
+ 0.0 / - 2.05
(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-114-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 114.3 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $52.50 AUD
Regular price $63.00 AUD Sale price $52.50 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
127
mm
+ 0.0 / - 2.05
(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 127 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-127-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $54.23 AUD
Regular price $65.07 AUD Sale price $54.23 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
127
mm
+ 0.0 / - 2.05
(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 127 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-127-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $54.23 AUD
Regular price $65.07 AUD Sale price $54.23 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
152.4
mm
+ 0.0 / - 2.05
(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 152.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-152-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $68.95 AUD
Regular price $82.75 AUD Sale price $68.95 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
152.4
mm
+ 0.0 / - 2.05
(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 152.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SK159C-152-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $68.95 AUD
Regular price $82.75 AUD Sale price $68.95 AUD
Excludes GST and overseas Taxes & Duties
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-025-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $135.05 AUD
Regular price Sale price $135.05 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-025-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $135.05 AUD
Regular price Sale price $135.05 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $143.14 AUD
Regular price Sale price $143.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $143.14 AUD
Regular price Sale price $143.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $144.14 AUD
Regular price Sale price $144.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $144.14 AUD
Regular price Sale price $144.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $148.14 AUD
Regular price Sale price $148.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $148.14 AUD
Regular price Sale price $148.14 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $160.32 AUD
Regular price Sale price $160.32 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $160.32 AUD
Regular price Sale price $160.32 AUD
Excludes GST and overseas Taxes & Duties
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $100.32 AUD
Regular price Sale price $100.32 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-18 UNF (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-18 UNF - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 9.53 (3/8) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm    Threads Per Inch: 18 TPI   
Part Number: SK159F-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-18 UNF - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Tue, Sep 16, 2025
Regular price $100.32 AUD
Regular price Sale price $100.32 AUD
Excludes GST and overseas Taxes & Duties
Per 25
Quantity Required

Backorder: Out of Stock.