Ribbed-Lock Washer - SWR

[Features]
· The ribs on both faces of the washer bite into the surface on which the bolt sits and the fastened part, preventing loosening caused by vibrations.
· For preventing the loosening of fastened parts that adhesives proved insufficient for achieving.
· When combined with an 8.8 strength classification bolt, even more effective loosening prevention is possible.
· Also works with strength classification 12.9 bolts.
· Has a greater loosening prevention effect than normal spring washers.