M8-1.25 Din 6923 Metric Hex Flange Nut Serrated A2 Stainless Steel (Pack Qty 750) BC-M8D6923RA2

Din 6923 Metric Hex Flange Nut Serrated A2 Stainless Steel

Hex nut with an enlarged circular base flaring out from the bottom of the nut. The bearing surface of the flange has serrations which displace material on the mating surface when the nut is wrenched into place, forming a connection which resists loosening.