These frame style setting standards are designed to preset CDG Series gages for accurate inspection of API threaded connections. These standards consist of a rigid, non-adjustable steel block precision machined to proper size to tolerances of ±.0003”.


| Frame Style Setting Standards for CDG Series Crest Diameter Gage | |||
| Thread Type | Connections | PIN Standard Model | Box Standard Model |
| NUE | 2⅜” NUE | CDGF-238NUE-P | CDGF-238NUE-B |
| 2⅞” NUE | CDGF-278NUE-P | CDGF-278NUE-B | |
| 3½” NUE | CDGF-312NUE-P | CDGF-312NUE-B | |
| 4” NUE | CDGF-4NUE-P | CDGF-4NUE-B | |
| 4½” NUE | CDGF-412NUE-P | CDGF-412NUE-B | |


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