1 1/2-12 x 4 Socket Cap Screw Alloy

1/4-28 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (750)

5/8-11 x 3 1/2 Flat Socket Cap Screw Alloy

The nylon shell acts as an insulator when used in electrical applications

flat head split anchor

5/8-11 x 24 A307 Grade A Timber Bolts Hot Dipped Galvanized 6in Thread (20) 5/8-11 Grade 5 Hex Cap Screws Plain - Domestic USA 1 1/2-12 x 4 Socket5 8 11 x 24 A307 Grade A Timber Bolts Hot Dipped Galvanized 6in Thread (20) . All timber bolts, regardless of length will have 6 inches of thread on the shank. Timber bolts are typically used in marine and treated wood applications. Slightly different than carriage bolts, timber bolts have fins on the neck underneath the head to prevent the bolt from turning during installation. The oversize head eliminates the need for a washer.