Lock Washer

Safety Nut

Advantages of the patented ring lock washer

• Achieves maximum safety when locking fasteners both at high and low preload


• Guaranteed self locking effect also by dynamic load and when lubricated


• Assembly and disassembly is very easy and fail safe


• Reuse is possible without any loss of quality and comfort


• No hydrogen embrittlement and no chromium-VI contamination


• Effective also by high grad bolts up to 12.9 and to their corresponding nuts


• Applicable also for allen screws and for stud bolts