The cold-rolled steel pin and mushroom head configuration make this anchor tamper resistant

5/16-18 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1 1/2 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (10)

3/4-10 x 6 1/4 Hex Sleeve Anchor Zinc Plated (5)

5/8-18 x 4 Hex Cap Screw SS 18-8 (A2)

1-14 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) 3/8-24 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA The cold-rolled steel pin and1 14 x 3 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) . 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