Precision ground from premium, heat-treated tool steel
Certified by an ISO/IEC 17025-accredited, ANAB-approved lab — official calibration certificate with full traceability included in every order
Meets ASME B1.20.1 requirements for inspecting NPT pipe threads
Independent lab-verified accuracy: Every gage has been measured and certified to meet or exceed industry standards — paperwork included
Ships from Tennessee, USA
Fast shipping — most orders ship same or next business day
Trusted by machinists, quality inspectors, and manufacturers across the U.S.
Each ring is made in-house to the highest standards and individually certified
Have questions or need bulk pricing? Contact us any time — we’re here to help!
Includes: 1/2-14 NPT L-1 Ring Gage, ISO 17025 calibration certificate, and free technical support.
Precision ground from premium, heat-treated tool steel
Certified by an ISO/IEC 17025-accredited, ANAB-approved lab — official calibration certificate with full traceability included in every order
Meets ASME B1.20.1 requirements for inspecting NPT pipe threads
Independent lab-verified accuracy: Every gage has been measured and certified to meet or exceed industry standards — paperwork included
Ships from Tennessee, USA
Fast shipping — most orders ship same or next business day
Trusted by machinists, quality inspectors, and manufacturers across the U.S.
Each ring is made in-house to the highest standards and individually certified
Have questions or need bulk pricing? Contact us any time — we’re here to help!
Includes: 1/2-14 NPT L-1 Ring Gage, ISO 17025 calibration certificate, and free technical support.
