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Adjustable Thread Ring Gages – Disks of heavy metal with a central, threaded hole are made to match a particular OD thread. The gage is screwed on the part being inspected as though the two are mating parts. We always have a variety of thread ring gages in standard sizes – in stock for fast delivery.
ACME, STUB ACME, Centralizing ACME, Metric, Trapezoidal, 60° STUB, Thread Ring Gages also available, please contact us for more details.
Our gages meet or exceed all published thread specifications. Certificates adhere to NIST standards. Uncertainties are estimated at a 95% confidence level (K=2). Environmental controls maintain 68°F and 50% maximum humidity. For ISO 17025 or A2LA certification, we send gages to third-party accredited laboratories on request.
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