- Class 2A
- Standard ANSI B1.2.
- Material: OHNS (Oil Hardened Non-shrinking Steel), stable dimension and wear resistance.
- Hardness HRC60-62.
Well designed, durable high precision tools that are suitable for various measuring ranges. INSIZE thread ring gauges are the perfect instrument for determining the diameter of a wide range of components. Easy to use adjustable ring gauges to measure the outside diameter of threads.
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