medium strength fasteners with partially threaded shanks conforming to DIN 931

7/8-9 x 8 Hex Cap Screw SS 18-8 (A2)

7 x 2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (5000)

1/2 x 2 9/16 (1/4 Drive) Magnetic Nut Setter

3/4-10 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

10-24 x 1/2 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10,000) M10-1.5 Hex Cap Screws 8.8 DIN 931 Zinc Plated medium strength fasteners with partially10 24 x 1 2 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.