Npt Thread Gauge for Precision Internal and External Inspection
Select a precision Npt Thread Gauge from Gaugestools for consistent inspection of tapered pipe threads. Ring gauges are designed for external thread checking, while plug gauges inspect internal threads. Gaugestools supplies standard NPT sizes from 1/8 inch to 6 inches, manufactured from hardened tool steel and calibrated for quality assurance. ISO 17025 accredited calibration certificates are available when required.
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