3/16 x 10 ITM SDS Plus eVolution™ Hammer Drill Bit

3/4 x 17 ITM SDS Max X-Cutter Hammer Drill Bit

3/8 x 2 Round Split Drive Anchor Zinc Plated (25)

1-8 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

8-32 x 3/4 Phillips Flat Undercut Machine Screw Black Zinc Plated (10,000) Phillips Self Drilling Drywall Screws Zinc Plated 3/16 x 10 ITM SDS8 32 x 3 4 Phillips Flat 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.