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

3/4-10 x 6 A307 Grade A Carriage Bolt HDG

5/8-11 x 10 Simpson Wedge Anchor 303 SS (10)

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

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

6-32 x 5/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) SDS Plus eVolution Hammer Drill Bits 1 1/4-7 x 2 3/46 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.