7/8-9 x 7 Grade 5 Hex Cap Screw Zinc Plated

3/4-10 Cap Nut 18-8 SS

8 x 2 1/4 Simpson Self-Drilling Fiber-Cement Screws 410 SS - Box (100)

#52 Heavy Duty Drill Bit - Stubby Length

4-40 x 1/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) 5/8-18 Hex Cap Screws 18-8 Stainless Steel 7/8-9 x 7 Grade 54 40 x 1 4 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.