Image 1 of 2: HYTORC J-Washer locking reaction washer — front view
HYTORC J-Washer locking reaction washer — front view

HYTORC J-Washer

Bolting Fasteners

The HYTORC J-Washer takes the proven HYTORC Reaction Washer to an entirely new level by adding a locking feature that minimizes loosening and keeps bolts tight under dynamic loads. A strategic ridge band with Junkers-verified knurled locking surface prevents fastener loosening from vibration and transverse forces — while delivering all the safety, speed, and tool-life benefits of the standard HYTORC Washer.

TypeReaction Washer with Locking Mechanism
Lock TestJunkers Test Standard Verified
CompatibleHYTORC Torque Tools
Contact for Pricing →

Key Features

Junkers-Verified Anti-Loosening

The knurled locking surface — verified by the Junkers test standard — prevents nut loosening from vibration and transverse forces, keeping bolts tight through dynamic load cycles.

Reaction Arm-Free Safety

Outer reaction lobes engage directly with socket drivers or reaction plates — eliminating separate reaction arms and pinch points to reduce hand and body injury risk on every job.

Faster Job Completion

Locks the fastener assembly during tightening and eliminates backup wrench requirements — reducing job time significantly when paired with HYTORC torque tools.