Maximum: 2

3/8-16 x 5 Simpson Wedge Anchor 304 SS (50)

5/8-11 x 6 Hex Cap Screw SS 316 (A4)

Corrosion resistant guaranteed

6-32 x 3/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) LedgerLOK Ledger Board Fasteners Maximum: 26 32 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.