standard size stud bolt Description Standard:ANSI,ASTM,JIS,DINGrade:Class 4.8 ... main products including bolts, nuts, screws,washers, anchors, rivets, pins and special fasteners made of low and medium carbon steel, alloy & ... to DIN, ANSI, AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special ... you need fasteners, contact us ” standard size stud bolt