German manufacturer JBO (Johs Boss) are Europe’s largest manufacturer and stockist of precision thread gauges.
The product range covers all standard thread sizes, standards and tolerances. What is a special to most thread gauge manufacturers is standard to JBO. Their precision thread gauges are made from tempered and annealed high quality alloy steel and produced to the middle of the tolerance to ensure thread gauges pass calibration 1st, 2nd and 3rd time around. Cutwel also offers lower cost thread gauges from Insize, offering excellent value and precision.