1.Material: GCR15 steel, the material with high strong physical such as preservative, high hardenability, and high anti-fatigue contact. After heat treatment, the hardness value is 58-63HRC.
2.Measuring surface:
After aging treatment and grinding, high accuracy and surface 0.25μm/0.00025mm
3.Surface treatment: manual grinding.
4.Package: plastic box+wooden box
5. Application: What is Pin gauge?
The pin gauge is the pin shape according to fixed-size precisely. The primary purpose of pin gauge is to measure and inspect the diameter of small holes, it also can be used as a test bar for geometric deviations measurements.
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