... 2,Treatment:Plain, hot dip galvanizing, Phosphated ect. DIN 985 Lock Nut M10-M30 Size:M10-M30Grade:4.8,6.8, 8 ... are as following:Bolts: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, stud bolts, eye bolts, U bolts, masonry ... , T nuts, K nuts, rivet nuts, cage nuts, lock nuts, hex nuts, hex flange nuts, wing nuts, weld nuts, square nuts, cap ...