High-Precision Thread Gauges:
BSW Series
Master-grade thread plug and ring gauges crafted from premium Tungsten Carbide and Ceramics. Calibrated at 20℃ for aerospace, medical, and defense industries.
High-Precision BSW Whitworth Thread Gauges: BS 919-1 Compliant Solutions by MISHUTE
In the demanding world of precision engineering, even a micron-level deviation in thread fit can lead to catastrophic assembly failures, costly production downtime, and compromised brand reputation. Whether you are managing complex oil and gas infrastructure or high-end mechanical assemblies, the integrity of your threaded connections is non-negotiable.
MISHUTE understands that a gauge is not just a tool, but a gatekeeper of quality. Our BSW (British Standard Whitworth) Series Thread Gauges are engineered to solve the industry’s most persistent pain point: inconsistent tolerance control. By providing traceable, high-hardness gauging solutions, we empower technical engineers and procurement managers to ensure 100% interchangeability, reducing rework costs and accelerating your time-to-market.
Thread Gauges
Standard material: GCr15
Optional materials:
SKD11, CrWMn, or other machinable materials
Material hardness: 58–65 HRC
Common tolerance grades:
Plug gauge grades: 1B, 2B, 3B; Ring gauge grades: 1A, 2A, 3A
Recommended standard fit: 2B/2A
|
Code |
Athreads/inch |
Code |
Athreads/inch |
||
|
Coarse BSW |
Coarse BSF |
Coarse BSW |
Coarse BSF |
||
|
1/8 |
40 |
– |
7/8 |
9 |
11 |
|
3/16 |
24 |
32 |
1 |
8 |
10 |
|
7132 |
一 |
28 |
11/8 |
7 |
9 |
|
1/4 |
20 |
26 |
11/4 |
7 |
9 |
|
9/32 |
一 |
26 |
13/8 |
一 |
8 |
|
5/16 |
18 |
22 |
11/2 |
6 |
8 |
|
3/8 |
16 |
20 |
15/8 |
一 |
8 |
|
7/16 |
14 |
18 |
13/4 |
5 |
7 |
|
1/2 |
12 |
16 |
2 |
4.5 |
了 |
|
9/16 |
12 |
16 |
2/14 |
4 |
6 |
|
5/8 |
11 |
14 |
2/12 |
4 |
6 |
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
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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