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Vernier scale in inch units for taking precise outside diameter (OD) measurements
Ratchet-stop mechanism helps provide uniform pressure for precise, repeatable measurements
Baked enamel finish for protection and durability of frame and satin chrome finish on thimble and sleeve helps resist rust and reduce glare
Carbide facing on spindle and anvil provides wear resistance
Set includes four ratchet stop micrometers in 1" increments, three standards in 1" increments, an adjustment wrench, and a fitted box
The Mitutoyo 103 series outside micrometer has a vernier scale in inch units for taking precise outside diameter (OD) measurements, and a ratchet-stop mechanism for uniform pressure during adjustment. The micrometer frame has a baked enamel finish for protection and durability. The vernier scale on the thimble and sleeve is graduated to 0.001", with a satin chrome rust- and glare-resistant finish. The spindle and anvil have flat measuring faces and are carbide-tipped for wear resistance. A spindle lock helps provide secure locking of the measurement position. This set includes four micrometers in 1" increments (0 to 1", 1 to 2", 2 to 3", 3 to 4"), three standards in 1" increments (1", 2", 3""), one adjustment wrench, and a fitted box. Specifications Display typeVernier scaleAnvil/spindle styleFlatMeasuring range0 to 4", four piece setGraduation Interval0.001"Face materialCarbide-tippedThimble styleRatchet stopFlatness0.000024" Micrometers are precision measuring instruments that use a calibrated screw to measure small distances. These measurements are translated into large rotations of the screw that are then able to be read from a scale or a dial. Micrometers are typically used in manufacturing, machining, and mechanical engineering. There are three types of micrometer: outside, inside, and depth. Outside micrometers may also be called micrometer calipers, and are used to measure the length, width, or outside diameter of an object. Inside micrometers are typically used to measure interior diameter, as in a hole. Depth micrometers measure the height, or depth, of any shape that has a step, groove, or slot. Mitutoyo manufactures precision measuring tools, metrology equipment, and related systems. The company, founded in Tokyo in 1934, formed Mitutoyo America Corporation in 1963 with headquarters in Aurora, IL. What's in the Box? Mitutoyo 103-177 micrometer, 0 to 1" range Mitutoyo 103-178 micrometer, 1 to 2" range Mitutoyo 103-179 micrometer, 2 to 3" range Mitutoyo 103-180 micrometer, 3 to 4" range Three micrometer standards in 1" increments (1", 2", 3") Adjustment wrench Fitted case