Metric Thread Gauges

Metric Thread Gauges: Thread Plug Gauge is a precision tool used to inspect cylindrical internal thread profiles for nuts, tapped holes, and machined components. Similarly, Thread Ring Gauge is used to inspect cylindrical external thread profiles for bolts, threaded shafts, and machined components.

Thread Gauges work on a Go/No-Go principle: The GO gauge, when screwed by hand without using excessive force, should enter and pass through the whole length of the part thread. Similarly, the No-Go gauge, when screwed by hand without being forced, should not enter the component. This allows quick and reliable checking of thread size and quality, making Thread Gauges essential in manufacturing and quality control to ensure proper fit with mating bolts or screws in general mechanical engineering, the automotive industry, electrical engineering, and structural steelwork.

We also specialize in Std/Non-Std dimensions and designs, including thread types such as MJ Thread Series or Helicoil Thread Series, as per custom/specific requirements.

• Manufactured in OHNS Steel for abrasive materials during high-frequency inspection cycles, and wear-resistant ceramics.
• Manufacturing Range: Dia. 1 mm to Dia. 300 mm.
• Gauges manufactured to relevant I.S./ISO Thread standards with Std/Customized Thread Pitch, Class, Tolerances, and Fittings.
• Subzero treated at -80°C for Dimensional Stability.
• Calibrated at 20°C under Standards Room conditions.
• Gauges are delivered in plastic case, providing anti-corrosion effect and impact resistance with Calibration Certificate (NABL/NPL Accredited).