Name: stainless steel bushing for automobiles, dowel hollows, fasteners, bush, bushes, metal bushes, steel bush Material: SAE4130, 30CrMo, 25CrMoS4.25CrMoS4 Finish: plain with oxidation oil Size: OD:16.0mm H8 (+0,-0.027mm) ID: OD:13.0mm (+/-0.2mm) Hardness: HB280-310, heattreatment to be done before machining Usage: for automobiles