3/8 x 4 Mushroom Spike Zinc Plated (25)

3/16 x 1/4 - 3/8 SSB66 Button SS Riv / Steel Man (5000)

5/8 x 4 1/2 Hex Lag Screw 18-8 SS

1/2-13 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1-8 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

3/8-24 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) Hex Sleeve Anchors Zinc Plated 3/8 x 4 Mushroom Spike3 8 24 x 4 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