pulley-auto parts, machine parts 1.Certificate: ISO/TS: 16949:2009 2. ... , bore for QD bushing 4) Surface finish paint, phosphate, zinc plate 5) Material cast iron, ductile iron, nylon, aluminum 6) ... taper bore and QD bore 3) Materials 1045 steel, aluminum and stainless steel 4) Surface finish black oxidized phosphate, ... plated 5) Standard toothed bars are also available. pulley-auto parts, machine parts