Product Description Product Description   Product Parameters   product Kc Series Steel Casting Flexible Sprocket Roller Chain Coupling for test benches material stainless steel , iron , aluminum ,bronze ,carbon steel ,brass etc . size ISO standard  ,customer requirements kind expansion sleeve Z1/Z2/Z3/Z4/Z5/Z6/Z7/Z8/Z9/Z10/Z11/Z12/Z13/Z14/Z18/Z19 BORE Finished bore, Pilot Bore, Special request surface treatment Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering Processing Method Molding, Shaving, … Continue reading China Hot selling Kc Series Steel Casting Flexible Sprocket Roller Chain Coupling for Mining Machinery