... ODM accepted 5ISO9001:2008 certificate Powder metallurgy sintered metal parts for garden tools power tools Features: 1High ... ratchet, bushing, fastener,rotors,pulley.Other sintered parts like bushings, sleeves, pistons, connecting rod, fasteners, nuts, rotors, stators, ... 0.02mm, 100% good quality with competitive price, good abrasion resistance, high density & hardness, high efficiency, energy saving.7 ...