Threadmaster have been a leading manufacturer of thread and plain gauges for more than 25 years with 40% of our production being exported. Gauge production is backed by our UKAS Accredited Laboratory (Accreditation No. 0249) with most gauges being supplied with FREE NAMAS CERTIFICATES. Please refer to our News Page for further details. A re-calibration service is also available for customers existing gauges. Industries Supplied : Aerospace and Defence Automotive Communication Mining & Construction Marine & Transport Nuclear Oilfield & Gas Power Engineering Product Range Screw Plug Gauges Screw Ring Gauges Special Screw Gauges - Including Acme, Buttress, Trapezoidal and other forms, single or multi-start, right hand and left hand. Screw Calliper Gauges Plain Plug Gauges Plain Ring Gauges Pin Sets Rok-it Gauges Plate Gauges - Gap, Form, Length etc Special Gauges A wide range of special gauges can be supplied to customer drawings. Hard Chrome Plating / Titanium Coating/Carbide Where these options are offered prices are available on application. Express Delivery Service An Express delivery service is available - details on application.