Precision electric power tool spare parts High precision&density&abrasion resistance Proper hardness Non- ... electric tool parts for powder metallurgy part by ISO-9001system2,Durable powder metallurgy partApplicable for meat grinder, coffee been/pepper ... sleeve,sleevebearing, bushing,bush,pulley,timing pulley,structural parts,powder metallurgy parts,nut,autoparts,rotor and statorElectric power tool part ...