Description
Thread gauge plug go 3 3/4-4 UNC 64-823177
This precision-manufactured thread gauge plug (go) is an essential tool for quality control and verification of internal threads. With a nominal thread size of 3 3/4-4 UNC, this measuring instrument provides a reliable standard to ensure that threaded holes meet specified tolerances. The thread gauge plug is designed to easily determine whether an internal thread falls within acceptable dimensional limits.
Manufactured to strict specifications, this go gauge provides consistent and accurate measurement. It is made of high-quality, hardened steel to withstand wear and maintain its precision even after repeated use. The UNC thread system (Unified National Coarse) is one of the most widely used thread standards for industrial applications, and this gauge allows for efficient inspection of these threads.
- Precision-manufactured for accurate measurement of internal threads
- Designed for 3 3/4-4 UNC thread profile
- Manufactured from high-quality, hardened steel for durability
- GO gauge for verification of minimum acceptable hole diameter
- Easy to use for rapid quality control
- Long service life with maintained measurement accuracy
| Item number | 64-823177 |
| Type | Thread gauge plug (GO) |
| Thread type | UNC (Unified National Coarse) |
| Thread dimension | 3 3/4-4 |
| Material | Hardened steel |
| Application | Inspection of internal threads |
Applications:
- Quality control in manufacturing processes
- Verification of internal threads in machine components
- Inspection of threaded holes in industrial applications
- Standardized measurement in workshops and production facilities
- Inspection of threaded fasteners in large structures
This high-quality thread gauge plug is an indispensable tool for anyone working in precision manufacturing where accurate thread inspection is critical for product safety and functionality.

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