... 8,Class10 3. Standard or fine threaded 1. As per DIN934 standard dimensions2. Class4,Class 5,Class 8,Class103. Standard or ... 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 ...