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

7/16-20 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125)

17/64 Heavy Duty Drill Bit - Stubby Length

Heavy Hex A325 structural bolts are designed for steel-to-steel structural connections

3/4-16 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (150)

7/8-9 x 4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (50) 1/2-20 Grade 8 Hex Cap Screws Plain - Domestic USA 5/16-18 x 1 1/2 Grade7 8 9 x 4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (50) . 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.