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Load Indicator Washer | M24 Direct Tension

Supplier: RUS Mining

Known as the squirty washer, the M24 direct tension indicator washer has been developed specifically to benefit the underground mining industry.

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The squirty washer differs from your standard washer by the addition of “bumps” one side.
These bumps are filled with a cured orange silicone with a channel leading to the out diameter. When compressed the silicon squirts out through the channels giving a visual indication of direct tension applied to the roof bolt.
The M24 squirty washer is a simple addition to a general M24 roof bolt assembly.

Why use the squirty washer?

  • Provides a visual indication that the bolt has been tensioned to a minimum 6 tonne.
  • The presence of silicone at all four points indicates that each bolt is being tensioned correctly.
  • Highlight whether a drill rig is operating to its required performance level.

To view more information including technical specifications please click here.

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