Niigata Seiki SK pin gauge 0.25mm AA0.250

Features: The most common standard pin gauge. All products have undergone sub-zero treatment to prevent aging. Because it is a perfect circle, it can be used in any situation.Application: Inspection of hole diameter. As parts for molds. For core wobbling inspection. For R measurement. Specifications: Diameter accuracy: ±0.8μm Roundness/Cylindricity: 0.5μm Hardness (HV): 650 or more Mass (g): 0.02 Material: Special gauge steel Set contents: Plastic case Country of origin: Japan