countersunk split drive anchor

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 5 lbs Pack (750)

17/64 x 12 High Speed Aircraft Bit Cobalt

3/4 x 8 Ship Auger Wood Bit

4-40 x 3/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) 5/8 Hex Lag Screws Hot Dipped Galvanized countersunk split drive anchor4 40 x 3 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.