Description
Thread Gauge 3-8 NPT (64-822629)
This precision thread gauge is specifically designed to verify external threads in the NPT (National Pipe Thread) standard, size 3-8. Its precise construction ensures that threads meet the strict tolerance requirements for pipe connections, which is critical for guaranteeing tight and secure joints in piping systems. The robust design offers reliable and consistent measurement even under intensive use in workshop environments.
Manufactured from high-quality hardened steel with a wear-resistant surface layer, providing excellent wear resistance and long-term dimensional stability. The gauge has undergone rigorous calibration and validation to ensure measurement accuracy in accordance with international standards. Its ergonomic grip allows for easy handling, and the clear markings ensure that technicians can quickly identify the gauge’s thread dimensions and standard.
- Specifically calibrated for NPT standard threads (National Pipe Thread) in size 3-8
- Manufactured from hardened steel with a wear-resistant surface layer for long-term use
- High dimensional precision for reliable control of thread compliance
- Clear markings for easy identification of thread type and size
- Designed in accordance with international standards for thread measurement
- Supplied with a calibration certificate for full traceability
| Article Number | 64-822629 |
| Thread Size | 3-8 NPT |
| Thread Type | NPT (National Pipe Thread) |
| Material | Hardened steel |
| Application | External threads |
| Includes | Calibration certificate |
Applications:
- Quality control of pipe threads in the manufacturing industry
- Validation of external NPT threads on production lines
- Inspection of threaded components in the plumbing and heating industry
- Verification of thread conformity in the oil and gas industry
- Use in metrology laboratories for standardized thread inspection
This thread gauge is an indispensable tool for anyone who needs to ensure that pipe connections meet exact specifications, ultimately guaranteeing safe and functional pipe connections in demanding industrial applications.

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