Vermont Gage Thread Gages: Precision Thread Measurement Solutions

Professional-Grade Thread Gages from Your Trusted Michigan Distributor

Freer Tool & Supply, your ISO-certified Michigan distributor, offers the complete Vermont Gage thread gage line including thread plug gages for tapped hole inspection (Unified UNC/UNF, Metric, ACME, Buttress), thread ring gages for external thread verification (screws, bolts, threaded shafts), pipe thread gages for NPT/NPTF/BSPT connections, thread setting plugs for calibrating thread ring gages, and custom thread forms for specialized applications. Every Vermont Gage thread gage is manufactured to ASME B1.2, ASME B1.16M, or ASME B1.20.1 standards and includes NIST-traceable calibration certification, ensuring your measurements meet ISO 9001, AS9100, and industry quality requirements.

Working Thread Plug, Thread Ring and Thread Setting Plug Gages are manufactured to inspect the Pitch Diameter and the Functional Thread. Thread gages are used to ensure the assembly of mating parts. Unified Inch standard gages are manufactured per ASME B1.2. M Series Metric thread gages are manufactured per ASME B1.16M. Standard thread gages are made to a Class X tolerance. Gages may be purchased individually or as assemblies. Plug gage assemblies are marked with the thread size, class of fit and pitch diameters. Pipe Gages per ASME B1.20.1,  ASME B1.20.5 and Hole Location gages stocked. ACME, Buttress, STI and gages for other custom thread forms are also available.