Precision GO Thread Ring Gauge (Tol. 2A) - UNC 3" x 4 by VÖLKEL, item no. 17129, suitable for thread inspection and quality control.
You use Precision GO Thread Ring Gauge (Tol. 2A) - UNC 3" x 4 to verify thread conformity in incoming inspection, in process checks, or final quality control. A gauge supports fast functional checks when you need consistent assembly fit.
UNC means Unified National Coarse, an inch based thread series used on many North American designs and service parts.
Note Clean threads and tools before use, apply suitable lubrication for cutting operations, and stop if resistance rises sharply.
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| Type of thread | Unified coarse thread |
|---|---|
| Tolerance | 2A |
| Size | UNC 3" x 4 |
| EAN | 4022835171294 |
| Item number | 17129 |
| Thread standard | ANSI B 1.1 |










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