... NUT DIN 934 2.standardDIN, ASME,JIS,BS,FR and GB,Nonstandard bolt(according to your order),etc3.MaterialCarbon Steel,Alloy steel,stainless steel and ... bolts, 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, spring ...