... 40Cr, 42CrMo We supply: ISO, DIN, ANSI, JIS, BS standard sprocket1) Standard stock and finished bore sprockets/plate wheels according ... bore sprocket, standard and non-standard sprockets, etc2.Material: C45, A3...According to ISO, DIN, ANSI, JIS, BS standard 3.Chain ... sprocket, taper bore sprocket, standard sprocket, idler sprocket, stainless ...