1/2 x 3 1/2 Mushroom Spike Zinc Plated (50)

5/16-18 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

50 x 60 Socket Set Screw Cup Point DIN 916 Black Oxide Alloy

5/16-18 x 8 Socket Cap Screw Alloy

3/4-10 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/4-20 x 1 1/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) TimberLOK Heavy Duty Wood Screws 1/2 x 3 1/2 Mushroom1 4 20 x 1 1 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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