1-14 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (40)

9/16-18 x 4 Socket Cap Screw Alloy

5/16-18 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (400)

tamper-proof

2 1/2-4 A563 Grade A Heavy Hex Nut Plain

1-14 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (55) 7/16-14 Grade 5 Hex Cap Screws Plain - Domestic USA 1-14 x 2 3/4 Grade1 14 x 1 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