Specialists in API Gauges​ and Thread Grinding

Tru-Thread Ltd has worldwide recognition for the manufacture of high quality precision gauges, thread grinding and products for the Oil and Gas, Aerospace and Marine industries.


Oil and Gas

Tru-Thread, a leading supplie of gauges, has been manufacturing and calibrating API gauges to major Oil and Gas Contractors for over 50 years.


We support a number of first tier suppliers to the Major OEMs with a range of Specialist Grinding Services.


For over 50 years we have been manufacturing and supplying the full range of gauges to the Marine Market.

Motor Sport

We support a number of leading Formula 1 teams with thread grinding and universal
grinding services.

Tru-Thread LTD

Holding a full suite of API licences for specifications 5B; 7-2 and 11B threaded connections along with a comprehensive suite of API Master Gauges enables Tru-Thread to supply a full range of new API gauges and to offer a Gauge calibration service to meet the highest demands of our Global Customer base.

Being a primary supplier of Regional Master Gauges to UK The National Physical laboratory and an approved supplier of precision thread grinding to both The Aerospace and Motor Sport Industry Sectors ensures that stringent quality standards and delivery requirements are a paramount in Tru-Threads manufacturing ethos.

Latest News

Tru-thread LTD

Tru Thread Ltd will be closed from Monday July 27th until Monday August 9th for our summer break.

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