Standard pre-loaded fasteners can loosen as a result of relative motion between surfaces due to vibration. The J-Washer’s knurled surface locks the nut when torque is applied so that no loosening occurs. The locking design has been verified by the industry standard Junker test, which simulates the transverse forces that loosen the assembly.

The J-Washer provides outer reaction lobes that safely engage with a socket driver or reaction plate to brace the reaction forces during torque operations. Consistent with the standard HYTORC Reaction Washer, the new J-Washer eliminates the need for a separate reaction arm, eliminating pinch points and significantly reducing the risk of hand injury.

The J-Washer's unique design locks the fastener assembly during tightening. When used in combination with a HYTORC Torque Tool, the J-Washer provides unmatched efficiency in bolting operations and reduced job time.

HYTORC has been recognized as a 2021 winner of the Spotlight on New Technology award for the HYTORC J-Washer, an innovative lock washer used to maintain bolted joint integrity under dynamic conditions such as thermal cycling, rotating machinery, and transportation. The patented J-Washer provides all the safety, quality and speed benefits of the standard HYTORC Reaction Washer and now offers the ability to lock fasteners tight.