there is no secondary tightening operation required which greatly reduces the overall cost of an anchor installation

3/4-16 x 1 Socket Cap Screw Alloy

1/2-20 x 6 1/2 Socket Cap Screw Alloy

You won’t find a better selection of high-quality toggle bolts like this one than what you’ll find at FMW Fasteners

12-24 x 3/4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (5,000) 1 1/8-7 Socket Cap Screws Alloy there is no secondary tightening12 24 x 3 4 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (5,000) . 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.