Aluminum bronze C61900 fasteners 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 C61900 fasteners are used in field of aerospace, building marine equipment, industrial cooling system, etc. BoltPort produces aluminum bronze fasteners in metric and imperial system.