3/8-24 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (225)

3/4-10 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (25)

1/2 x 18 Hex Lag Screw Hot Dipped Galvanized

3/8 x 18 ITM SDS Plus Hammer Drill Bit

3/4-10 x 3 1/2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (75) 12" Aircraft Bits Cobalt - Fractional 3/8-24 x 4 1/2 Grade3 4 10 x 3 1 2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (75) . 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.