Description
Thread Ring Gauge 1/2-20 UNF-2B 64-823042
This precision gauge is designed to verify internal UNF threads with high accuracy. The 1/2-20 UNF-2B 64-823042 thread ring gauge is an essential tool for quality control in manufacturing processes where precise measurement of thread dimensions is critical. With its robust construction and precision-machined measuring surface, this gauge ensures that your threaded components meet specified tolerances.
The gauge is manufactured according to strict standards to guarantee correct verification of 1/2-20 UNF-2B threads. It features a hard nickel-plated surface to resist wear and corrosion, extending the tool’s service life. The gauge’s hardness and dimensional stability ensure consistent measuring accuracy over time, even with frequent use in demanding industrial environments.
- Specifically designed for 1/2-20 UNF-2B thread dimensions
- Manufactured to strict tolerance standards for high precision
- Hard nickel-plated surface for optimal wear resistance
- Compact and ergonomic design for easy handling
- Ideal for both workshop and laboratory environments
- Supplied with a calibration certificate guaranteeing accuracy
| Item Number | 64-823042 |
| Thread Type | UNF (Unified National Fine) |
| Thread Dimension | 1/2-20 UNF-2B |
| Material | Hardened Steel |
| Surface Treatment | Nickel Plated |
| Tolerance Class | 2B |
Applications:
- Quality control on production lines
- Verification of threaded components in workshops
- Inspection of hydraulic and pneumatic systems
- Maintenance verification of precision components
- Use in measurement laboratories for calibrating thread tools
The 64-823042 thread ring gauge is a reliable investment for anyone requiring accurate and consistent measurements of 1/2-20 UNF-2B threads in their quality assurance processes.

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