5/16-18 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1/4 x 1 1/2 Nail-In Anchor Mushroom Nylon (100)

Counter sinking NIBS for a flush finish

1-8 x 4 Grade 5 Hex Cap Screw Zinc Plated

1-8 x 2 3/4 Socket Cap Screw Alloy

5/8-11 x 4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (100) A563 Grade A Heavy Hex Nuts Plain 5/16-18 x 3 3/4 Grade5 8 11 x 4 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (100) . 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.