Torque Applying Tools

Types of Applying Tools

Preset Tools: ideal in environments that require the same torque to be applied to a fastener time after time. As these types of tools are tamperproof they can be used by operators of any skill level. The tools must be set using a Calibration Analyser.

Calibrated Scale Tools: ideal for use in areas where a range of different torque settings need to be applied. These types of tools have a visible scale that allows the user to adjust them to their desired torque setting.

The principles underlying Torque Tool Mechanisms

Slipping Tools: Overtightening Impossible When the preset torque value is reached, (as indicated by the dotted line in the graph) a mechanism in these tools cause the application of torque to cease and the tools slip free.

Breaking Tools: Overtightening Unlikely When the preset torque value is reached, (as indicated by the dotted line in the graph) these tools break at a specific point along their length. The movement is approximately 20°.

Clicking Tools: Overtightening Possible When the preset torque value is reached, (as indicated by the dotted line in the graph) the operator will hear a click and feel an impulse. The movement is approximately 3°.

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