Serrated lock washer pair Wide model

General information:

Lock washer as per DIN 25201, prevents screw connections from loosening when faced with lateral stress, shocks, or vibration.

Corrosion resistance:

600 hours of base metal corrosion as per DIN EN ISO 9227-NSS (DIN 50021-SS) – cf.: 96 hours, yellow zinc plated (A2C)

Operation:

Two serrated lock washers combine in a wedge fashion, ensuring an extremely durable hold. The screw connection is held fast by pre-tension instead of friction.

Benefits:

• Easy assembly and disassembly (serrated lock washers come pre-glued into pairs)


• Tested system for screw locking (locking elements prevent screw from opening) at high and low pre-tension


• Particularly well suited for dynamic load – even with lubricants


• Reusable with consistent quality


• Does not harm surfaces


• Also usable with strong hardness class 8.8, 10.9, and 12.9 screws and corresponding nuts


• Available in stainless and regular steel (other materials available on request)


• Available with narrow and wide contact area