standard size stud bolt Description Standard:ANSI,ASTM,JIS,DINGrade:Class ... nuts, screws,washers, anchors, rivets, pins and special fasteners made of low and medium carbon steel, alloy & stainless steel ... DIN, ANSI, AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ ... established in 2001, we have developed good and long-term relationships with customers as well as ...