... Standard: DIN IFI BS 2).Size: all size 3).Material: carbon steel, stainless steel brass FR-N020-06 Insert bar ... ,screw thread insert part, threading barthread rolling machine parts1).Standard: DIN IFI ... all metal parts processing, metal tube or bar's threading, metal forming, metal end forming ... , metal surface embossing,metal pipe or bar straightening,bending or cutting, mold designing and making ...