1-8 x 4 A307A Hex Bolt Zinc Plated

Low profile head diameter is twice the rivet body diameter

This heavy duty fastener provides unmatched holding power even in old spike holes

1-8 x 3 Socket Set Screw Cup Point 18-8 (A2) Stainless Steel

1 3/4-5 x 4 1/2 Socket Cap Screw Alloy

7/16-20 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 3/4-16 Socket Set Screws Cup Point Alloy 1-8 x 4 A307A Hex7 16 20 x 2 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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