... ,Certificated to ISO 9001:2008 2,Carbon steel,stainless steel,brass 3 ... CNC lathes, CNC machining centers, stamping machines and cold heading machines plus auxiliary equipments like milling machine ... screw production lines finish the cold heading and thread rolling for small carbon steel or stainless steel screws. ... { 'aImgSrc': aBigImageSrc } ); } )(); DIN7993,roundwire snap rings for shafts,GB895.2-86