Fasteners > Screws > Socket Countersunk Screws | Flat Head Socket Screw | Flat Head/ Countersunk Socket Screws (UNC/UNF) are manufactured to ANSI B18.3 / ASTM F835 | Made of high-grade alloy steel | Available in plain and Zinc finish. |
Fasteners > Screws > Socket Countersunk Screws | Flat Head Socket Screw | Flat Head/ Countersunk Socket Screws (UNC/UNF) are manufactured to ANSI B18.3 / ASTM F835 | Made of high-grade alloy steel | Available in plain and Zinc finish. |
in 5 offers
Fasteners > Screws > Socket Countersunk Screws | Flat Head Socket Screw | Flat Head/ Countersunk Socket Screws (UNC/UNF) are manufactured to ANSI B18.3 / ASTM F835 | Made of high-grade alloy steel | Available in plain and Zinc finish. |
Fasteners > Screws > Socket Countersunk Screws | Flat Head Socket Screw | Flat Head/ Countersunk Socket Screws (UNC/UNF) are manufactured to ANSI B18.3 / ASTM F835 | Made of high-grade alloy steel | Available in plain and Zinc finish. |
Quantity
Size
Last updated at 27/10/2025 11:57:45
#10-24 (3/16") x 24 TPI x 1" Full Thread UNC Coarse Countersunk Head Socket Screw Grade 10.9 (1/8" Key) Plain Black Uncoated ANSI B 18.3
Free delivery between Wed – Fri
3/8X1 UNC Countersunk Cap Screw ASME B18.3 ~Class 12.9 Zinc Plated By Refast
Delivery between 3–6 Nov $12
5/16 x 1" UNC 304 Stainless Steel Countersunk Socket Head Screw - Box of 100
Delivery between 30 Oct – 6 Nov $11.64
5/16" X 18 Tpi X 3/4" Unc Countersunk Socket Screw G10.9 Plain Black
Free delivery
1/4 x 1" UNC Flat Head Socket Screw Plain - Box of 100
30-day returns
See 8 historical offers
1/2 X 2" Unc Flat Head Socket Screw Plain - Box Of 50
Delivery $9.50
Hobsons - 1/4 x 1-3/4 Plain Ansi B18.3 / Astm F835 Unc Socket Screw Countersunk H | Knc14/134 (Pack Of 100)
Delivery between 25 Oct – 3 Nov $7.95
Qty 5 Countersunk Socket Screw 10-24 (3/16") X 3/8" Unc 1/8" Key Black
Free delivery
Pack Of 10 Plain Black 6-32 X 3/4" Unc Countersunk Socket Screw 10.9
Free delivery
| Fastener Size | 1/2" |
| Fastener Length | 1 3/4" |
| System of Measurement | UNC |
| Finish | Plain |
| Drive Type | Socket (Allen Key) |
#10-24 (3/16") x 24 TPI x 1" Full Thread UNC Coarse Countersunk Head Socket Screw Grade 10.9 (1/8" Key) Plain Black Uncoated ANSI B 18.3
Free delivery between Wed – Fri
3/8X1 UNC Countersunk Cap Screw ASME B18.3 ~Class 12.9 Zinc Plated By Refast
Delivery between 3–6 Nov $12
5/16 x 1" UNC 304 Stainless Steel Countersunk Socket Head Screw - Box of 100
Delivery between 30 Oct – 6 Nov $11.64
5/16" X 18 Tpi X 3/4" Unc Countersunk Socket Screw G10.9 Plain Black
Free delivery
1/4 x 1" UNC Flat Head Socket Screw Plain - Box of 100
30-day returns
See 8 historical offers
1/2 X 2" Unc Flat Head Socket Screw Plain - Box Of 50
Delivery $9.50
Hobsons - 1/4 x 1-3/4 Plain Ansi B18.3 / Astm F835 Unc Socket Screw Countersunk H | Knc14/134 (Pack Of 100)
Delivery between 25 Oct – 3 Nov $7.95
Qty 5 Countersunk Socket Screw 10-24 (3/16") X 3/8" Unc 1/8" Key Black
Free delivery
Pack Of 10 Plain Black 6-32 X 3/4" Unc Countersunk Socket Screw 10.9
Free delivery
Hobson Engineering
Delivery between 16–21 Oct $27.50
| Fastener Size | 1/2" |
| Fastener Length | 1 3/4" |
| System of Measurement | UNC |
| Finish | Plain |
| Drive Type | Socket (Allen Key) |
