JM Sales – USA is the sole representative for Johs. Boss, better known as JBO, in the US and Canada. We have been importing, stocking, and providing sales and service for JBO precision Threadmills, Threading Dies, Thread Rolling Dies and Gauges since 2006.

JBO is the market leader in precision thread gauges with over 8000 different thread dimensions and tolerances available. We have a complete range of gauges covering all types of threads from 0.5–300 mm diameter.


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J.M. Sales – USA

2265 Livernois, Suite 750

Troy, MI 48083

(248) 879-5984



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