About us

Gauge-Express is a brand of TOSAG Engineering AG. In our shop, which specialises in thread gauges and limit gauges, we offer you a comprehensive selection of high-quality measuring tools. Since our foundation in 1976, we have been your competent partner for measuring technology.

Our range includes:

  • Thread gauges: Precise tools for measuring and testing threads.
  • Limit gauges: Reliable gauges to ensure dimensional accuracy.
  • Limit plug gauges: Ideal for checking internal threads and bores.
  • Test pins: Indispensable tools for checking the dimensions of small bores.
  • Setting rings: For adjusting and checking measuring instruments. 

We also offer customised special designs that are specifically tailored to your individual requirements.

Our expertise:

In addition to standard products, our range includes good and reject gauges as well as thread limit plug gauges, thread rings for metric standard and fine threads, Withworth pipe threads, UNS, UNF, UN, NPT and NPTF threads.

Why Gauge-Express?

  • Experience and expertise: Over four decades of experience in metrology.
  • Quality and reliability: Highest precision and reliability of our products.
  • Fast delivery: Short delivery times for all standard and customised products.
  • Shipping from Germany: Reliable and fast shipping from our German central warehouse.
  • Customised solutions: Customised products that meet your exact requirements.

Visit Gauge-Express and discover our extensive range of measuring tools and test equipment. You can rely on the quality and expertise of TOSAG Engineering AG - your partner for precise measuring and testing.