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

1 1/4-7 x 2 3/4 Socket Cap Screw Alloy

Holding power: Pull-out values of Marine screws exceed those of ordinary tapping screws in fiberglass and wood

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

1-8 x 3 3/4 Socket Cap Screw Alloy

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.