ROK-IT Spherical Bore Gauges

ROK-IT Gauges (Spherical Bore Gauges) are an alternative to conventional Plain Plugs

Available in sizes from 6.3mm up to 560mm diameter (0.25inches to 22inches)

Available on extra length handles for Deep Boring applications and shallow counterbore style (centre line of gauge is only 0.5mm from front face for shallow bores).

All Gauges are available with an in-house certificate or an Independent UKAS Certificate.

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Industries Served

  • Aerospace
  • Automotive
  • Autosport
  • Avionics
  • Environmental Services
  • Medical
  • Military
  • Mining
  • Robotics
  • Security
  • Telecoms

About Mercury

Mercury Tool & Gauge offer an extensive range of products that are manufactured to meet the most demanding quality needs in today's market.


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  • Phone:
    +44 (0)2476- 694 -030
  • Fax:
    +44 (0)2476- 694 -070
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  • Address:
    Mercury Tool & Gauge
    221 Torrington Avenue
    CV4 9HN

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