... precision 4OEM accepted 5ISO9001:2008 certificate Powder metallurgy sintered metal parts for power tools Features: 1High density ... Balance weigh, sprockets, ratchet, bushing, fastener,rotors,pulley.Other sintered parts like bushings, sleeves, pistons, connecting rod, fasteners, ... , shock absorber parts, synchromesh gear hub, pressure side plate, striking fork, hydraulic valve pushrod seat, oil pump ...