Product Description Customized Machining Aluminum Steel Alloy C45 Cast Iron Synchronous Taper Bush Pilot Bore Timing PulleyTeeth profile Trapezoidal toothed MXL, XXL, XL, L, H, XH, XXH T-toothed T2.5, T5, T10, T20 Arc toothed HTD3M, HTD5M, HTD8M, HTD14M, HTD20M, Gt2,...