The world leader in high precision bore gages, Diatest was founded in 1948. With repeatable precision up to 0.001mm / 0.00005", Diatest is the standard by which high quality bore gages are judged. State-of-the-art Bore Gages for industrial scale manufacture, small-lot produciton, and modular gaging with convertible gages.

Bore Plugs Plugs Split-ball Probes Plunger Probes Gear Gages Internal Gear Gages External Gear Gages Chamfer Gages Internal Taper Gages External Taper Gages

Outside Diameter Gages AMG, ODV Indicating Units and Checking Stands Dial Indicators DIATRON Checking Stands Other Gages DIACATOR Crankshaft gage Offset Heads Dial Indicator Tester Floating Holders