Every industry that machines metal parts with threaded features shares one challenge: the thread has to be the right size and the right depth — or the assembly fails.
Leitech COMBI Gages solve that problem with one tool, one operation, and one direct numerical reading. From turbine engines to titanium implants, from transmission housings to hydraulic manifolds, from diesel engine blocks to bone screws — the physics are the same. So is the solution. If it's a precision hole in a machined metal part — Leitech measures it.

Leif Larsen, the founder of Leitech Instruments in Gilleleje, Denmark, is the inventor of the innovative 'COMBI' gage, which measures both thread size and depth with precision.



Leitech specializes in precision measurement tools, including the "Combi" thread size and depth gage that ensures reliable results for various applications.
Gerald Strebl, BMW Group, Motorenwerk Steyr


Leitech-US is the exclusive North American Master Stocking Distributor for Leitech Instruments of Gilleleje, Denmark — inventors of the simultaneous thread size and depth gage — serving the United States, Canada, and Mexico. When you contact Leitech-US, you reach someone who understands your application, your thread standards, and your inspection challenges.
We maintain the largest North American inventory of Leitech COMBI Gages — standard sizes ready to ship from Milwaukee. Custom thread sizes and special applications handled through direct collaboration with our engineering team in Denmark.
Leitech Instruments was founded by Leif Larsen with a simple but revolutionary insight: quality engineers shouldn't need two tools to inspect one hole. That idea became the Leitech COMBI Gage — recognized with an industrial design award from the Danish Design Council. Today, under Charlotte Jensen's leadership, Leitech Instruments continues her father's legacy of precision and innovation from Gilleleje, Denmark.
Leitech-US is led by President Mike Thorson and Managing Director Tony Thorson — bringing decades of precision measurement expertise and direct personal relationships with the Leitech team in Denmark.
Leitech-US 1134 N. 9th St., Suite 280 Milwaukee, WI 53233 414-333-6310
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