Hot-Dip Galvanized nuts are over tapped per ASTM A563

5/8-11 x 4 3/4 Hex Cap Screw SS 18-8 (A2)

7/8-9 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-16 x 2 1/2 Hex Cap Screw SS 316 (A4)

1-8 x 5 A307A Hex Tap Bolt Zinc Plated

1/2 x 4 Powers Round Toggle Bolt Zinc Plated (25) Flat Mushroom Toggle Bolts Zinc Plated Hot-Dip Galvanized nuts are over1 2 x 4 Powers Round Toggle Bolt Zinc Plated (25) . The Toggle Bolt is a spring wing type hollow wall anchor designed for use in block, wallboard and other hollow base materials. The Toggle Bolt is a two part assembly consisting of a machine screw and a spring wing toggle. Sizes range from 1 8" x 2" to 1 2" x 6" with combo round, flat, mushroom, tie wire or slotted hex head styles. Download Powers Toggle Bolt Technical Data