http://www.chaintransmissions.....com/hub-bushing-coll
ItemQD Bore Bushing
MaterialC45/SS304/20CrMo/Q345
Surface treatmentBlack oxide/Zinc-plating/nickel plated
Harden teethHRC40-50/Tempering/ carburizing and
quenching
BorePilot bore
Specification80SK17/80SDS18/80SF20
ChinaTaperBushingSuppliers
website:http://www.chaintransmissions.com/hub