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Collection: Screws - Countersunk - Socket - Steel - Standard

Screws (With Images)

Countersunk

Socket

Steel

Standard
Zinc Plated

551 Products in this selection

Flat Head Countersunk UNC - UNF - METRIC - Alloy Steel
Imperial Sizes to ANSI B18.3.
Metric Sizes to DIN7991.
Rc38-42
ASTM F835 - alloy steel. ISO 10642.
The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.

Additional resources:
PDF Screws Catalogue
Washers
Nuts

A more concise listing may be found on the Smallparts store at Screws - Countersunk - Socket - Steel - Standard. Smallparts promote the most popular MBA products.

Thread Size (C)	Overall Length (L)	Material	Max Head Diameter	Max Head Height	Minimum Thread Length (l)	Indicative Image
1/4-20 BSW (6.35mm)	9.5 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-010-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50
Thread Size (C)	Overall Length (L)	Material	Max Head Diameter	Indicative Image
1/4-20 BSW (6.35mm)	9.5 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-010-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-010-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide SK064W-010-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	12.7 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-013-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	12.7 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-013-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-013-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide SK064W-013-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	15.9 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-016-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	15.9 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-016-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-016-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide SK064W-016-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide Regular price $36.86 AUD Regular price Sale price $36.86 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	19.1 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-019-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $38.41 AUD Regular price Sale price $38.41 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	19.1 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-019-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $38.41 AUD Regular price Sale price $38.41 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-019-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide SK064W-019-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Regular price $38.41 AUD Regular price Sale price $38.41 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	25.4 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-025-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $71.86 AUD Regular price Sale price $71.86 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	25.4 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-025-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $71.86 AUD Regular price Sale price $71.86 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-025-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide SK064W-025-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide Regular price $71.86 AUD Regular price Sale price $71.86 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	31.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-032-SK-C (10 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide 10 units (100 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $12.59 AUD Regular price Sale price $12.59 AUD Unit price per Per 10
1/4-20 BSW (6.35mm)	31.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-032-SK-C (10 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide 10 units (100 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $12.59 AUD Regular price Sale price $12.59 AUD Unit price per Per 10 View the product page first if you are unsure.
SK064W-032-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide SK064W-032-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide Regular price $12.59 AUD Regular price Sale price $12.59 AUD Unit price per 10 Available Now
1/4-20 BSW (6.35mm)	38.1 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-038-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $79.86 AUD Regular price Sale price $79.86 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	38.1 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-038-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $79.86 AUD Regular price Sale price $79.86 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-038-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide SK064W-038-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Regular price $79.86 AUD Regular price Sale price $79.86 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	44.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-045-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	44.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-045-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-045-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide SK064W-045-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	50.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-051-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $92.59 AUD Regular price Sale price $92.59 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	50.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-051-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $92.59 AUD Regular price Sale price $92.59 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-051-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide SK064W-051-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Regular price $92.59 AUD Regular price Sale price $92.59 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	63.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-064-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $97.41 AUD Regular price Sale price $97.41 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	63.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-064-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $97.41 AUD Regular price Sale price $97.41 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-064-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide SK064W-064-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Regular price $97.41 AUD Regular price Sale price $97.41 AUD Unit price per Out of stock! Backorder Now
1/4-20 BSW (6.35mm)	76.2 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
Material: High Tensile Steel Black Oxide Hex Key (s): 3.97 (5/32) mm Countersunk Angle: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-076-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $132.50 AUD Regular price Sale price $132.50 AUD Unit price per Per 50
1/4-20 BSW (6.35mm)	76.2 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm
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: 100 ° Pitch: 1.270 mm Threads Per Inch: 20 TPI
Part Number: SK064W-076-SK-C (50 Pcs) Countersunk Screws - 1/4-20 BSW -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $132.50 AUD Regular price Sale price $132.50 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064W-076-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide SK064W-076-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 BSW -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Regular price $132.50 AUD Regular price Sale price $132.50 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	9.5 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-010-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide 9 units (90 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per Per 10
1/4-20 UNC (6.35mm)	9.5 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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-010-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide 9 units (90 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per Per 10 View the product page first if you are unsure.
SK064C-010-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide SK064C-010-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 9.5 mm - High Tensile Steel / Black Oxide Regular price $4.77 AUD Regular price Sale price $4.77 AUD Unit price per 9 Available Now
1/4-20 UNC (6.35mm)	12.7 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-013-SK-C (100 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $30.77 AUD Regular price Sale price $30.77 AUD Unit price per Per 100
1/4-20 UNC (6.35mm)	12.7 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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-013-SK-C (100 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $30.77 AUD Regular price Sale price $30.77 AUD Unit price per Per 100 View the product page first if you are unsure.
SK064C-013-SK-C (100 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide SK064C-013-SK-C (100 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 12.7 mm - High Tensile Steel / Black Oxide Regular price $30.77 AUD Regular price Sale price $30.77 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	15.9 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-016-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide 7 units (70 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $5.05 AUD Regular price Sale price $5.05 AUD Unit price per Per 10
1/4-20 UNC (6.35mm)	15.9 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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-016-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide 7 units (70 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $5.05 AUD Regular price Sale price $5.05 AUD Unit price per Per 10 View the product page first if you are unsure.
SK064C-016-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide SK064C-016-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 15.9 mm - High Tensile Steel / Black Oxide Regular price $5.05 AUD Regular price Sale price $5.05 AUD Unit price per 7 Available Now
1/4-20 UNC (6.35mm)	19.1 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-019-SK-C (100 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $60.68 AUD Regular price Sale price $60.68 AUD Unit price per Per 100
1/4-20 UNC (6.35mm)	19.1 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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-019-SK-C (100 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $60.68 AUD Regular price Sale price $60.68 AUD Unit price per Per 100 View the product page first if you are unsure.
SK064C-019-SK-C (100 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide SK064C-019-SK-C (100 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 19.1 mm - High Tensile Steel / Black Oxide Regular price $60.68 AUD Regular price Sale price $60.68 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	25.4 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-025-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide 8 units (80 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $5.86 AUD Regular price Sale price $5.86 AUD Unit price per Per 10
1/4-20 UNC (6.35mm)	25.4 mm + 0.0 / - 0.76	High Tensile Steel / Black Oxide	13.5 mm
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-025-SK-C (10 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide 8 units (80 pcs) Available Immediately \| Further orders can be expected around Sun, Jun 22, 2025 Regular price $5.86 AUD Regular price Sale price $5.86 AUD Unit price per Per 10 View the product page first if you are unsure.
SK064C-025-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide SK064C-025-SK-C (10 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 25.4 mm - High Tensile Steel / Black Oxide Regular price $5.86 AUD Regular price Sale price $5.86 AUD Unit price per 8 Available Now
1/4-20 UNC (6.35mm)	31.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-032-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $40.05 AUD Regular price Sale price $40.05 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	31.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-032-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $40.05 AUD Regular price Sale price $40.05 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-032-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide SK064C-032-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 31.8 mm - High Tensile Steel / Black Oxide Regular price $40.05 AUD Regular price Sale price $40.05 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	38.1 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-038-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $41.59 AUD Regular price Sale price $41.59 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	38.1 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-038-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $41.59 AUD Regular price Sale price $41.59 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-038-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide SK064C-038-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 38.1 mm - High Tensile Steel / Black Oxide Regular price $41.59 AUD Regular price Sale price $41.59 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	44.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-045-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $75.05 AUD Regular price Sale price $75.05 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	44.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-045-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $75.05 AUD Regular price Sale price $75.05 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-045-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide SK064C-045-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 44.5 mm - High Tensile Steel / Black Oxide Regular price $75.05 AUD Regular price Sale price $75.05 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	50.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-051-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $76.68 AUD Regular price Sale price $76.68 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	50.8 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-051-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $76.68 AUD Regular price Sale price $76.68 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-051-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide SK064C-051-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 50.8 mm - High Tensile Steel / Black Oxide Regular price $76.68 AUD Regular price Sale price $76.68 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	57.2 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-057-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 57.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $83.05 AUD Regular price Sale price $83.05 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	57.2 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-057-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 57.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $83.05 AUD Regular price Sale price $83.05 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-057-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 57.2 mm - High Tensile Steel / Black Oxide SK064C-057-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 57.2 mm - High Tensile Steel / Black Oxide Regular price $83.05 AUD Regular price Sale price $83.05 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	63.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-064-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	63.5 mm + 0.0 / - 1.02	High Tensile Steel / Black Oxide	13.5 mm
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-064-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-064-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide SK064C-064-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 63.5 mm - High Tensile Steel / Black Oxide Regular price $89.41 AUD Regular price Sale price $89.41 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	76.2 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-076-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	76.2 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm
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-076-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-076-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide SK064C-076-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 76.2 mm - High Tensile Steel / Black Oxide Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Out of stock! Backorder Now
1/4-20 UNC (6.35mm)	88.9 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm	4.1 mm	Not Specified mm
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-089-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 88.9 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Per 50
1/4-20 UNC (6.35mm)	88.9 mm + 0.0 / - 1.55	High Tensile Steel / Black Oxide	13.5 mm
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-089-SK-C (50 Pcs) Countersunk Screws - 1/4-20 UNC -6.35mm- 88.9 mm - High Tensile Steel / Black Oxide Out of Stock \| Backorder Now \| Orders can be expected around Sun, Jun 22, 2025 Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Per 50 View the product page first if you are unsure.
SK064C-089-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 88.9 mm - High Tensile Steel / Black Oxide SK064C-089-SK-C (50 Pcs) --- Countersunk Screws - 1/4-20 UNC -6.35mm- 88.9 mm - High Tensile Steel / Black Oxide Regular price $95.77 AUD Regular price Sale price $95.77 AUD Unit price per Out of stock! Backorder Now