... copper plated Size:M3-M20 weld stud with high quality and competitive priceMaterial:Aluminum, stainless steel, ... ironSize:M3-M20Standard:GB,DIN,ISO,ANSI,JIS etcwe also can according to ... the customers drawing to make d1l d3h Ø 3 ... aBigImageSrc } ); } )(); without threaded UT weld stud with good quality