Plain washer with outside diameter ≈ 3 x nominal thread diameter DIN 9021 Plastic Polyamide (nylon) 6.656332
NORD-LOCK Vibration proof wedge-locking washer, with enlarged outer diameter Stainless steel A455453
Curved spring lock washer DIN 128 A Stainless spring steel A2 (1.4310)51520
Serrated lock washer with external teeth DIN 6798 A Stainless spring steel A4 (1.4401)55460
NORD-LOCK Vibration proof wedge-locking washer Steel Delta Protekt® M2237980.220.001
NORD-LOCK Vibration proof wedge-locking washer, with enlarged outer diameter Stainless steel 254 SMO®55465
Curved spring lock washer DIN 128 A Stainless spring steel A4 (1.4401)55520
Serrated lock washer with external teeth DIN 6798 A Phosphor bronze CU450540