SK Steel Pin Gauge AA Series +- Tolerance AA 0.420mm AA-0.420 1 piece

Catalogue number: AA-0.420 Features: ●A pin gauge is a gauge with a pin shape (cylinder) and a precisely finished diameter dimension. ●This is the most common pin gauge. ●All products have been sub-zero treated to prevent deterioration over time. ●It is perfectly round, so it can be used in a variety of situations. Applications: ●For inspecting hole diameters. ●As a mold component. ●For inspecting core runout. ●For measuring R. Specifications: ●Nominal dimension (mm): 0.42 ●Length (mm): 40 ●Diameter precision: ±0.8μm ●Hardness: 650HV or higher ●Circularity and diameter variation: Within 1.0μm Material/Finish: ●Special gauge steel Set contents/Accessories: ●Plastic case