Tesa management recently discontinued production of its Brown and Sharpe Standard bore and snap gages. Mahr Federal bore and snap gages are available to replace these Tesa products. They allow users to upgrade performance with integrated wireless data transmission. Replacement gages include Mahr Federal 1280 P and 844 N adjustable bore gages, along with 300 P snap gages.

 

Mahr Federal 1280 P adjustable bore gages feature rugged construction for long life and low maintenance, including a stainless steel gaging head and one piece centralizing yoke with replaceable tungsten carbide balls. Furnished with either a dial or digital indicator and available with integrated wireless data transmitters, 1280 P bore gages are sized to measure diameters from 12 - 200 mm (0.50 - 8") with extensions, and depths from 76 - 1220 mm (3 - 48").

Also available with integrated wireless transmission, Mahr Federal's precision self-centering 844 N adjustable bore gages are virtually impervious to temperature changes as both the shank and transfer rod are made from Invar steel. The 844 N bore gages can be used to measure diameter, roundness, and conical form, as well as the distances of plane-parallel surfaces of tight tolerance parts. Able to measure diameters from 18 - 800 mm (0.7 - 32"), they provide low hysteresis and repeatability.