Uploaded February 2026 | Updated September 2026, 2 weeks ago

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Torque reaction is a common challenge in assembly operations, especially in high-volume environments where consistency and control matter.

In this video, we explain what torque reaction arms are, why they’re used in assembly applications, and introduce two options from FlexArm: the LR-40 and the AR-40.

We cover:
- What a torque reaction arm does
- How torque reaction is managed during fastening
- High-level differences between the LR-40 and AR-40
- What to consider when choosing between them

To learn more about the LR-40 and AR-40, including full specifications and application details, visit flexarminc.com

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