... nylon bearings, nylon piston rings, nylon support ring, nylon worm gear, nylon roller, nylon body, nylon spool washers,Nylon insulating ... PVC tape, small-diameter particles,Kevlar fiber packing, dust-proof screw cap, ABS plastic parts, polyether ether ketone, hydraulic oil ... silicone O-ring, POM gears, fluorine apron, wear-resistant nylon gear, lead, gears, casters, plastic parts, gaskets, seals, O- ...