7/8-9 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

3/4 Drop-in Anchor Setting Tool

Finished Hex Nuts in 18-8 stainless steel are for use with stainless steel bolts or screws with a specified minimum tensile strength equal or less than the specified proof stress of the mating nut

8 x 1 1/2 Simpson Truss-Head Wood Screws - Square Drive 305 SS - Box (100)

1/4-20 x 3/8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (6,000) Finished Hex Nuts 316 Stainless Steel 7/8-9 x 3 1/2 Hex1 4 20 x 3 8 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (6,000) . 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.