Copper Brass Aluminium Phosphorus Bronze Gun Metal Lead In Form : Bolts (Hub, `U`, Allen Key, Hex, Long, `T` Bent, Eyebolt), Stud, Axle Stud. Nuts (Hub, Check, Nylock, Lock, Cold Forged, Hor Forged, Spindle), Washer(Star, Plain), Allen Caps, Screws (CSK, Pen Head, Phi...