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

Proof Load:

1 1/4-12 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (80)

1 1/8-12 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

8 x 1 1/4 Simpson Pan-Head Marine Screw - Phillips Drive 316 SS - Box (100)

3/4-10 x 4 A325 Type 1 Heavy Hex Bolt Plain (50) 1/2-20 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/16-18 x 2 1/2 Grade3 4 10 x 4 A325 Type 1 Heavy Hex Bolt Plain (80) . Heavy Hex A325 structural bolts are designed for steel to steel structural connections. For this reason, they are typically very short. The A325 and A490 specifications are not intended for general applications, including anchor bolts. Free certs available on request.