... a short time1. Commodity: Plastic Injection Mold Parts stamping bushing with shoulder2.Material:SUJ23.Hardness:62Junshuo Hardware Products Factory ... guide bushing/ guide post set/ball retainer/ wear resistant plate and spring.StandardHASCO, DME, PUNCH, MISUMI,DANLY, FIBRO ... , oil-free parts, oilless guide bushings, oilless guide pins, Copper alloy, copper alloy wear-resistant plate add graphite guide ...