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
| ASME Standards and Certification | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | B1.2 - 2025 |
| Product Name | B1.2 - Gages and Gaging for Unified Inch Screw Threads (UN, UNR, and UNJ) |
