0 x 130 Hex Cap Screw 8

9/16-18 x 2 1/4 Socket Cap Screw Alloy

Special flute design improves penetration without blowback or compacting

7/8-14 x 2 3/4 Hex Cap Screw SS 18-8 (A2)

8-32 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) M24-3.0 Hex Cap Screws 8.8 DIN 931 Zinc Plated 0 x 130 Hex Cap8 32 x 3 8 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.