Profile: American Bolt & Screw Mfg. is a source for commercial grade fasteners, nuts, bolts, screws and cabinet hardwares. Our bolt line includes anchor, carriage, eye, elevator, leveling and hex flange bolts. Our washer line includes backup washer, fender, finishing, external tooth lock, nylon and torque washers. Our battery test includes dimensional testing, torsional testing, drill-speed testing and visual testing services.