Safety meets efficiency with HEICO-LOCK® Reaction Washers

28.05.2026

HEICO-LOCK® Reaction Washers significantly reduce the risk of workspace accidents with powered high-torque tools.

HEICO-LOCK® Reaction Washers: More safety and efficiency when tightening large bolt assemblies with powered high-torque tools

The use of high-torque tools on large bolted joints generates high reaction forces. Conventional reaction arms and supports not only increase the effort required for assembly, but also pose a significant risk of accidents.

With HEICO-LOCK® Reaction Washers, HEICO offers an innovative solution that enables the tightening of large bolted joints without the need for reaction arms. In combination with the specially developed HEICO Dual Sockets, the reaction torque is absorbed directly by the locking washers. This ensures greater safety at work, more precise force transmission and a significantly more efficient assembly process.

At the same time, users benefit from the proven HEICO-LOCK® wedge locking principle, which reliably prevents bolted joints from coming loose of their own accord, even under dynamic loads.

The new solution is particularly well suited to demanding applications in sectors such as agricultural engineering, power generation, oil & gas, chemicals and mining, as well as in all other sectors where large bolted joints need to be assembled safely and cost-effectively.

You can read the full article here: https://www.industrystock.com/en/news/detail/39315

Further information on HEICO-LOCK® reaction washers can be found on our product page.

Tightening using a reaction arm
Tightening using a reaction arm
Injury following the use of a reaction arm
Injury following the use of a reaction arm

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