M8-1.25 Metric Din 439  Hex Jam Nut A2 Stainless Steel (Pack Qty 4,000) BC-M8D439BA2

Metric Din 439 Hex Jam Nut A2 Stainless Steel

Class 04 metric hex jam nuts are tightened against the work surface and a Style 1 or Style 2 hex nut is tightened against the jam nut to keep it from loosening. Class 50 A2 stainless hex jam nuts are used in the same manner with A2 stainless screws