5/8-11 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

Zinc plating meets ASTM B-117 for salt spray corrosion

Double spiral

5/8-11 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A

5/8-18 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8-11 Socket Cap Screws 316 Stainless Steel 5/8-11 x 3 1/2 Grade5 8 18 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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