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Gages and Gaging Unified Inch Screw Thread Series per ANSI/ASME B1.2

Gages and Gaging for Unified Inch Screw Thread Series per ANSI/ASME B1.2

ANSI/ASME B1.1 was revised in 2003, but the revision for ANSI/ASME B1.2 was delayed. ANSI/ASME B1.1 is approaching release of a new revision which is intended to be coordinated with the release of a new version of ANSI/ASME B1.2. As with all work on specifications, and their forecasted release; do not hold your breath waiting for it. It will be released when it is released and not sooner. Until then use what is published.

B1.2 Scope
This Standard provides essential specifications and dimensions for the gages used on Unified inch screw threads (UN and UNR 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.

Related Pages
ANSI/ASME B1.1:2003 Changes
Pitch Diameter Changes for 1A and 1B
Pitch Diameter Changes for 2A and 2B
Pitch Diameter Changes for 3A and 3B

This data is provided for general information only. The intention is to provide accurate information; regardless; errors may exist in the supplied information. If accuracy is critical, base your final decisions on the data provided in the root document: ANSI/ASME B1.2; which is a copyrighted document. To purchase a copy visit an Authorized Reseller.

Original Posting: 4/6/2017
Last Revision:
Error corrections in, or comments about, the above data can be sent to: office@gagecrib.com

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