Niigata Seiki SK Made in Japan Steel Pin Gauge Single Piece with Maintenance Line Total Length 50mm AML 4.050mm 4.050

For those who frequently check the accuracy of shallow holes and are concerned about wear conditions. All products are sub-zero treated. Nominal size (mm): 4.050 Length (mm): 50 Diameter accuracy (μm): ±0.8 Roundness (μm): 0.5 Cylindricity (μm): 0.5 Hardness (HV): 650 or more