High-Precision Thread Gauges:
Ensuring Zero-Defect Threaded Assemblies
Master-grade thread plug and ring gauges crafted from premium Tungsten Carbide and Ceramics. Calibrated at 20℃ for aerospace, medical, and defense industries.
Introduction & Details
Pain Points & Background
In high-volume manufacturing, common steel thread gauges often suffer from rapid wear, leading to costly measurement drift and assembly failures. At Meter Precision, we address these challenges by providing thread gauges that combine extreme hardness with exceptional dimensional stability. Our gauges help quality engineers in the automotive and aerospace sectors reduce inspection frequency while maintaining the strictest tolerance standards.
Core Products & Services
Our thread gauge line covers a comprehensive range of international standards, including Metric (M), Unified (UNC/UNF), Pipe Threads (NPT, G, R), and STI (Screw Thread Insert). Each gauge is precision-lapped to achieve a superior surface finish, reducing friction during the Go/No-Go test. Whether you need standard 6H/6g tolerances or custom pitch diameters, our engineers ensure that every unit reflects our commitment to "Precision as the Foundation of Trust."
Key Features
- Ultra-long service life (up to 10x longer than tool steel).
- Certified accuracy with traceable inspection reports (Feinmess Jena & TESA).
- Superior material stability with high-density Zirconia or Tungsten Carbide.
- Available in specialized configurations: Left-hand threads, multi-start threads, and ACME.

M Series
Metric Thread Gauges

UN Series
American Standard Thread Gauges

G Series
Unsealed Pipe Thread Gauge

BSW Series
British Standard Whitworth Thread Gauge

Tr Series
Metric Trapezoidal Thread Gage

ACME Series
ACME Trapezoidal Thread Gauge

NPSM Series
ANSI Cylindrical Pipe Thread Gauge
Material Capabilities
Material Type | Hardness (HV/HRC) | Key Advantage | Recommended Application |
Tungsten Carbide | $1300\text{-}1500$ HV | Extreme wear resistance | High-volume automotive production |
Ceramic (ZrO2) | $1100\text{-}1200$ HV | Corrosion-free, no oiling needed | Medical devices, cleanroom environments |
Bearing Steel (GCr15) | $58\text{-}65$ HRC | Cost-effective, high versatility | General mechanical machining |
Technical Specifications
| Standards | ISO 1502, ASME B1.2, DIN 13, JIS B0251 |
| Tolerance Classes | 4H, 5H, 6H, 7H / 4g, 5g, 6g (Customized available) |
| Size Range | From M1.0 up to M300; NPT 1/16″ to 12″ |
| Calibration Temp | Constant $20^{\circ}\text{C}$ environment |
Core Advantages & Inspection Capabilities
Equipment
Our facility is equipped with the German Feinmess Jena high-precision gauge block comparator and Swiss TESA length measuring machines.
Certification
Each thread gauge is supplied with an original inspection report (supports third-party calibration like CNAS/A2LA upon request).
Why Choose Us
Precision Guaranteed by Advanced Equipment
Extended Lifespan through Material Innovation
Global OEM & Export Experience
Applications
FAQ
Calibration frequency depends on the material and usage volume. Our Carbide gauges typically last 5-10 times longer between calibrations compared to steel.
Yes, every gauge includes a factory inspection report. Traceable third-party certification is also available.
We specialize in bespoke orders for special diameters, pitches, and thread profiles like ACME or Buttress.
While Ceramic is brittle compared to steel, our Zirconia (ZrO2) is highly toughened to withstand industrial use while providing unmatched corrosion resistance
WE ARE HAPPY TO SOLVE PROBLEMS FOR CUSTOMERS
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