Description of Professional Precision Micrometer Graduation Measurements Test, Measure & Inspect
Outside micrometer with choice of measuring range and blade-style anvil/spindle pair measures groove diameters of shafts and workpieces with narrow or recessed features. Anvil and spindle are hardened and precision ground with microlap finish on measuring faces. It has 0.0001" graduations and an accuracy of 0.0001" to provide precise readings and accurate measurements. Hardened, ground and lapped spindle thread provides smooth movement, accuracy, and long life. Ratchet stop applies constant force for repeatability between users.