Description
Insize Thread Plug Gauge
The Insize Thread Plug Gauge is a precision inspection tool designed for checking internal Unified National Coarse (UNC) threads to ensure they conform to specified tolerances. Using the GO / NO-GO gauging principle, it provides a quick and reliable method for verifying thread accuracy, fit, and interchangeability in machining, production, and quality control environments.
Specifications :
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Part No: 4131-1B1
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Thread Size: 1/4" – 20 UNC
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Gauge Type: GO & NO-GO gauges supplied together
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Standard: ANSI / ASME B1.2
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Certification: Manufacturer inspection certificate supplied
Manufactured from hardened and precision-ground gauge steel, Insize thread plug gauges deliver excellent wear resistance and long-term dimensional stability. Clearly marked GO and NO-GO ends allow fast and repeatable inspection of internal threads, helping to prevent oversize or undersize tapped holes while ensuring consistent quality and compliance with international standards.
