Description
Insize Thread Plug Gauge
Insize Thread Plug Gauge is designed for accurate inspection of American tapered pipe threads, ensuring correct thread form and fit for applications using sealant. Precision-manufactured for dimensional stability, it provides reliable verification of internal NPT threads in machining, inspection, and quality control environments.
Specifications:
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Part No.: 4644-1B18
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Thread Size: 1/4"–18 NPT
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Thread Type: American tapered pipe thread for threads with sealant
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Standard: ANSI / ASME B1.20.1
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Material: OHNS (Oil Hardened Non-Shrinking Steel)
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Hardness: HRC 60–62
Engineered for durability and consistent accuracy, this thread plug gauge offers excellent wear resistance and stable dimensions, making it suitable for precision engineering, inspection, and workshop measurement tasks.
