Niigata Seiki SK Block Gauge, Grade 1 Equivalent, Individual 3.39mm, GB1-339

Used as a standard gauge for general measurements and machining, as a space block, or for high-value-added components. Grade 1 equivalent Inspection report included. Used as a standard gauge for general measurements and machining, as a space block, or for high-value-added components. Material: High-carbon, high-chromium steel Specifications: Cross-sectional dimensions: 10mm or less...30(0~-0.3) x 9(-0.05~-0.2)mm Over 10mm...35(0~-0.3) x 9(-0.05~-0.2)mm Thermal expansion coefficient: 11.5×10-6/K Specification: 3.39mm