1 3/4-5 x 5 1/2 Socket Cap Screw Alloy

1-14 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

Medium degree of corrosion resistance

3/4 x 13 ITM SDS Max X-Cutter Hammer Drill Bit

#5 Heavy Duty Jobber Drill Bit

12-24 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (9,000) 5/8 Hex Lag Screws Hot Dipped Galvanized 1 3/4-5 x 5 1/212 24 x 3 8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (9,000) . 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.