3 1/2-4 A563 Grade A Heavy Hex Nut Plain

1 1/8-7 x 8 Socket Cap Screw Alloy

" locking the anchor on the wall

0000 inches

3/4-10 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

10-24 x 5/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (8,000) Finished Hex Nuts 18-8 Stainless Steel 3 1/2-4 A563 Grade A10 24 x 5 8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (8,000) . Black Zinc is an acidic, low temperature powdered product developed to impart a black conversion coating of zinc die casting, galvanized stock and electroplated zinc parts. The black coating serves as a base for organic coatings (lacquers, paints, waxes and oils) and also provides an esthetic appeal.