... AS DIN,JIS,GB 4.COMPETITIVE PRICE 1.NameHex Head NUT DIN 934 2.standardDIN, ASME,JIS,BS,FR and GB ... , masonry bolts, roofing bolts.Nuts: spring nuts, T nuts, K nuts, rivet nuts, cage nuts, lock nuts, hex nuts, hex flange nuts, wing nuts, weld nuts, square nuts, cap nuts.Washers: flat washers ... Choice for You GRADE-4.6.8.10 Hex Head NUT DIN 934