Vermont Gage 361101030 Threaded Ring Gage 0-80 Unf

Product Description

The VERMONT GAGE 361101030 is a No Go threaded ring gage used to verify the maximum material condition of externally threaded fasteners and components. Manufactured from tool steel, this single-ring gage is designed for 0-80 UNF threads classified to Class 2A tolerance. It checks that a mating threaded part does not exceed the specified fit limits, confirming the thread will not assemble when the tolerance boundary has been exceeded. Precision thread gages like this are standard tooling in quality control, incoming inspection, and production floor verification wherever threaded fasteners must meet dimensional conformance. Calibration traceability is established to NIST standards.

This gage is applied in inspection and quality assurance environments where 0-80 UNF Class 2A external threads must be verified against tolerance limits. The 0-80 thread designation refers to a 0-series thread diameter with 80 threads per inch, common in fine instrument work, small fastener assemblies, and precision machined components. It is suitable for use in manufacturing facilities, machine shops, and production environments where consistent thread verification is required on small-diameter fasteners.

Key Features

• No Go function checks maximum material limit on Class 2A external threads
• 0-80 UNF thread form, single-ring configuration
• Tool steel construction for durability and dimensional stability
• Calibration traceable to NIST standards
• Single-ring design for dedicated No Go inspection use

Compatibility

Designed for use with 0-80 UNF Class 2A externally threaded parts and fasteners. Intended for use as a No Go inspection gage in conformance with Class 2A thread tolerance specifications.

Installation Notes

Thread ring gages are handled and used by quality control technicians and machinist inspectors rather than installed in a system. Store the gage in a clean, dry environment away from contaminants that could affect gage surfaces. Do not force the gage onto a threaded part during inspection — a properly conforming No Go gage should not fully assemble onto an in-tolerance thread. Periodic re-calibration against NIST-traceable masters is recommended to maintain measurement accuracy.