Phosphor bronze C52100fasteners are manufactured and stock in variety of sizes and forms including regular hex bolts, hex nuts, screws, stud bolts, threaded rods, countersunk screws, hex nuts, plain washer, split lock washers, dowel pins, etc. Alloy C52100fasteners are used in field of aerospace, building marine equipment, chemical processing equipment, etc. BoltPort produces phosphor bronze fasteners in metric and imperial system.