1/2-20 x 6 1/2 Hex Cap Screw SS 316 (A4)

1 1/4 x 6 Reduced Shank Drill Bit (1/2 Shank)

9/16-12 x 2 1/2 Hex Cap Screw SS 316 (A4)

1-8 x 8 Grade 5 Hex Cap Screw Zinc Plated

the threads and nylon form a tight

2-56 x 3/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) Hanger Bolt Drivers 1/2-20 x 6 1/2 Hex2 56 x 3 16 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.