Vers. 062721 11
KDS series screwdrivers sizes 20Nm and above have only one position designed for
connecting to the reaction arm:
1. The naked metal cylinder near the head of the screwdriver
KDS series screwdrivers sizes 20Nm and above also provide four threaded M4 holes for
fixing to a custom assembly.
Warning: do not connect the reaction arm anywhere other than the above designated areas.
Fixing the reaction arm to the middle of the screwdriver handle will squeeze the
screwdriver shell, causing damage to the internal components, and failing to absorb the
torque reaction safely and reliably.
Reaction arm connection for KDS series screwdrivers 15Nm and below: