1,Certificated to ISO 9001:2008 2,Carbon steel,stainless steel,brass 3,Finished plain,zinc,nickle,balck, ... lines finish the cold heading and thread rolling for small carbon steel or stainless steel screws. Production range: M0.8-M6 ... .run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); DIN7993,roundwire snap rings for shafts,GB895.2-86