pulley-auto parts, machine parts 1.Certificate: ISO/TS: ... , multi-pitch H, L, J, K and M 3) Bore pilot bore, finish bore, ... nylon, aluminum 6) Made according to drawings and/or samples; OEM inquiries welcomed Timing pulley Specifications ... and stainless steel 4) Surface finish black oxidized phosphate, anodized, zinc-plated 5) Standard toothed bars are also available. pulley-auto parts, machine parts ...