MITUTOYO 139-173 TUBULAR INSIDE MICROMETER WITH EXTENSION

Series 139 - Mechanical with extensions, with insulator. Technical characteristics : Accuracy : ±(3+n+L/50) 'm | ±(6+L/50) 'm (139-203, 139-204) n = number of extensions L = Maximum measured length (mm) Graduations : Drum and sleeve graduated, matte chrome-plated, ø 18 mm/ø13 mm (139-203, 139-204) Measuring surface : Carbide - Steel (139-203, 139-204) Measuring spindle : 1 revolution of the drum equals 0.5 mm Measuring range : 25 mm, 10 mm (139-203), 25 mm (139-204) Extension : ø17 mm, ø10 mm (139-203, 139-204) Reading : 0.01 mm Supplied : In a case, key