5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1950)

1 1/8-7 x 9 Grade 8 Hex Cap Screw Plain Domestic USA (1)

10 x 3 Simpson Flat-Head Deck-Drive™ DWP Wood Screws - 6-Lobe Drive 316 SS - Bulk Carton (1750)

5/16-24 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

3/4-16 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) 5/8-18 Socket Set Screws Cup Point Alloy 5/16-18 x 1/2 Grade 53 4 16 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on