... bushing, taper lock and lock assembles etc belt pulley with spider, V belt pulley, AK BK sheave, belt sheave.taper bushing split ... , T20, AT2.5, AT5, AT10, AT202) Pilot bore, taper bore and QD bore3) Materials: 1045 steel, aluminum and stainless steel4) ... Surface finish: black oxidized phosphate, anodized, zinc-plated 5) Standard toothed bars are ...