Profile: Threadmaster Gauges manufactures screw gauge and plain gauge. A re-calibration service is also available for customers existing gauges. Large stocks of standard gauges are maintained, both metric and imperial, as well as taper gauges to american standards. A wide range of special gauges can be supplied to customer drawings. We also provide special screw gauges, including acme, buttress, trapezoidal & other forms, single or multi-start, right hand & left hand and screw calliper gauges.