1/4-20 x 3 1/4 Simpson STB2 Wedge Anchor 304 SS (100)

7/8-14 x 7 Socket Cap Screw Alloy

3/8-16 x 8 Socket Cap Screw Alloy

5/8-11 x 9 1/2 Socket Cap Screw Alloy

8-32 x 1/2 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) fully-threaded 1/4-20 x 3 1/4 Simpson8 32 x 1 2 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) . 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.