... .Material: C45, 20CrMnTi, 40Cr, 42CrMo We supply: ISO, DIN, ANSI, JIS, BS standard sprocket1) Standard stock and finished bore sprockets/plate wheels according ... .Material: C45, A3...According to ISO, DIN, ANSI, JIS, BS standard 3.Chain sprocket, taper bore sprocket, standard sprocket, idler sprocket, stainless steel ...