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1-8 x 3 1/2 A325 Type 1 Heavy Hex Bolt Plain (50)
3/16 x 1 1/2 Mushroom Spike 316 SS (100)
7/16-20 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)
1/4-20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450)
1/4-20 x 7/8 Grade 5 Hex Cap Screw Plain Domestic USA (100)
1/2-20 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20) 5/8-11 A325 Type 1 Heavy Hex Bolts Hot Dipped Galvanized 1-8 x 3 1/2 A3251 2 20 x 8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (20) . 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