5/8-18 x 6 1/2 Hex Cap Screw SS 18-8 (A2)

5/32 Heavy Duty Jobber Drill Bit

5/8-11 x 17 A307A Hex Bolt Plain Steel

5/8-18 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80)

5/16-24 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 3/4 Hex Lag Screws Zinc Plated 5/8-18 x 6 1/2 Hex5 16 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