High-Precision Thread Gauges: M Series

Master-grade thread plug and ring gauges crafted from premium Tungsten Carbide and Ceramics. Calibrated at 20° for aerospace, medical, and defense industries.

MISHUTE M Series Metric Thread Gauges: Precision-Engineered to ISO 1502 Standards for Global Industrial Excellence

In high-precision manufacturing, the difference between a seamless assembly and a costly failure lies in a few microns. MISHUTE M Series Metric Thread Gauges are designed for engineers and procurement professionals who refuse to compromise on accuracy. Whether you are verifying critical fasteners for automotive assembly or high-stress aerospace components, MISHUTE provides the metrology-grade certainty your production line demands.

Fully compliant with ISO 1502:1996 and GB/T 3934-2003, MISHUTE gauges solve the industry’s most common pain point: inconsistent thread fit. By implementing our high-hardness gauging solutions, manufacturers can significantly reduce scrap rates, prevent cross-threading issues, and ensure 100% interchangeability for international exports.

Thread Ring Gauges

Standard material: GCr15
Optional materials:
SKD11, CrWMn, and other machinable materials
Material hardness: 58–65 HRC
Common tolerance grades:
4h, 5g, 5h, 6e, 6f, 6g, 6h, 7e, 7g, 7h, 8e, 8g, 8h
Recommended standard fit: 6H/6g

Thread Plug Gauges

Standard material: GCr15
Optional materials:
SKD11, CrWMn, other machinable materials
Material hardness: 58–65 HRC
Common tolerance grades:
4H, 5G, 5H, 6G, 6H, 7G, 7H, 8G, 8H
Recommended common fit: 6H/6G

Technical Specifications

Nominal diameterStandard pitchNon-standard pitch
0.80.2  
1 0.2
1.10.25
1.2
1.40.3
1.60.35
1.8
20.40.25
2.20.45
2.50.35
30.5
3.50.6
40.70.5
4.50.75
50.8
5.5      
610.750.5   
7
81.2510.750.5  
9
101.51.2510.750.5 
11 
121.751.51.2510.750.5
142
151   
1620.750.5
17  
182.521.510.750.5
20
22
243 
25
26
2732 10.75 
28  
303.532 10.75
32   
333.5321.510.75
3543 
361
38432 
391
40 
424.54 
45 1
485 1
50
525
55 
565.5 321.51
58 
605.541
62 
6461
65 
681
70 643  
721.51
75 
766    1
78
80643 1.51
82
85
90
95
100

Legend:M10x Ph3 P1.5-6H LH

M: Thread designation code (MJ: aviation-specific thread code; SM: extra-fine pitch thread code)
10: Nominal thread diameter
Ph3: Lead (lead/pitch for multi-start threads)
P1.5: Pitch
6H: Thread tolerance class
LH: Left-hand thread (may be omitted for right-hand threads)
T/GO: Go end (can be fully engaged with the workpiece thread)
Z/NOGO: No-go end (cannot be fully engaged with the workpiece thread; engagement does not exceed 2 pitches)

TT: Pass-Pass (Fully engages with the open end of the new-style thread ring gauge)
TZ: Pass-Stop (Fails to fully engage with the open end of the new-style thread ring gauge; engagement does not exceed one pitch)
TS: Pass-Defect (Fails to fully engage with the open end of the new-style thread ring gauge; engagement does not exceed one pitch)
ZT: Stop-Pass (Fully engages with the stop end of a new-style thread ring gauge)
ZZ: Stop-Stop (Cannot fully engage with the stop end of a new-style thread ring gauge; engagement does not exceed one pitch)
ZS: Stop-Loss (Cannot fully engage with the stop end of a new-style thread ring gauge; engagement does not exceed one pitch)
Single-mid-diameter gauge: Refers to a thread with a single mid-diameter dimension that passes inspection.
Single-parameter gauge: Refers to a thread where every parameter is compliant, including major diameter, mean diameter,minor diameter, pitch, half-angle and taper.

Core Advantages & Inspection Capabilities

Extreme Wear Resistance (58-65 HRC)

MISHUTE utilizes premium GCr15 bearing steel as standard, with optional high-performance alloys like SKD11 and CrWMn. Our proprietary heat treatment process achieves a hardness of 58-65 HRC, ensuring the gauge maintains its dimensional stability over thousands of inspection cycles, lowering your total cost of ownership.

Comprehensive Tolerance Coverage for Global Markets

From ultra-tight 4h/4H tolerances for precision instruments to standard 6g/6H and 8g/8H fits, MISHUTE offers the full spectrum of metric classifications. This versatility ensures that your products meet the specific fit requirements of any global region or technical specification.

Advanced Metrology Verification

To ensure every MISHUTE gauge is "Zero-Defect," we employ dual-verification methods. We utilize the traditional "Three-Wire Method" with high-precision micrometers alongside state-of-the-art Integrated Thread Scanners—the preferred method of national metrology institutes—to guarantee the accuracy of every flank angle and pitch.

Bespoke OEM/ODM Customization

MISHUTE understands that B2B clients often have unique requirements. We offer 360° customization services including specialized dimensions, alternative materials, custom branding/marking, and protective packaging tailored to your brand’s distribution needs.

Why Choose Us

As a specialist in industrial metrology, MISHUTE combines 10 years of technical expertise with a commitment to B2B excellence.

Rigorous Quality Control

Every MISHUTE gauge is a "Single Parameter" masterpiece, meaning every aspect—including major diameter, pitch diameter, minor diameter, pitch, and taper—is individually verified.

Technical Consulting

We don't just supply gauges; we help you decode complex markings like M10xPh3 P1.5-6H LH to ensure you get the exact tool for your lead/pitch requirements.

Global Logistics

With specialized packaging and international shipping experience, MISHUTE ensures your precision tools arrive calibrated and ready for the inspection floor.

Applications

Aerospace & Defense Measuring critical engine fasteners and hydraulic fittings

Medical Devices Ensuring the precision of orthopedic implants and surgical tool threads.

Automotive Industry Monitoring engine block and transmission thread quality in mass production.

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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