Plain Plug Gauges

Plain Plug Gauges

Standard Plain Plug Gauges are available in the following sizes:

Reversible Wire Type – Metric Sizes up to 19.45mm/0.765″ for Imperial
Reversible Trilock Type – Metric sizes up to 165mm/6.510″ for Imperial
Taperlock Type – Metric sizes up to 63.75mm/ 2.510″ for Imperial.

Plain Plugs are available in Steel as standard. Carbide and Hard Chrome Plated available on request. Customised sizes, extra lengths, depth steps and counterbores are also available where practical.

Rok-It Gauges are an alternative to conventional Plain Plugs.

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


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

If you would like to find out more about our services get in touch with Mercury Tool & Gauge today! Our dedicated customer service team are waiting for your call and will assist you with your requirements.

Tel: +44 (0)2476 694 030