ASME B1.2 (1983)

Gages and Gaging for Unified Inch Screw Threads

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Annotation and contents

This Standard provides essential specifications and dimensions for the gages used on Unified inch screw threads UN [unified] and UNR [external threads only] thread form, and covers the specifications and dimensions for the thread gages and measuring equipment listed in Tables 1 and 2. The basic purpose and use of each gage are also described.

Table of Contents