6 x 1 5/8 Phillips Bugle Decking Screws Dacrotized - Carton (5000)

7 x 2 1/4 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000)

10-24 x 6 Socket Cap Screw Alloy

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6-32 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) SDS Plus eVolution Hammer Drill Bits 6 x 1 5/8 Phillips6 32 x 5 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.