standard size stud bolt Description Standard:ANSI,ASTM,JIS,DINGrade:Class 4.8 ... including bolts, nuts, screws,washers, anchors, rivets, pins and special fasteners made of low and medium carbon steel, alloy & ... stainless steel, aluminum, brass or other special materials.Our products are manufactured according to DIN, ANSI, AS ... you need fasteners, contact us ” standard size stud bolt