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3-4" Precision Outside Micrometer 0.0001" Carbide Tipped for Precision Measurement Work
Precision Outside Micrometer
Specification: 3-4 Inch range, 0.0001 inch accuracy
Measuring Surface: The measuring surface is made of hard alloy steel, hard and durable
Knob: Roller printing knob (ratchet locking device) design, uniform force measurement, effectively improve the measurement accuracy
Design: The shaft is engraved with a scale to provide repeated measurements, and the spindle lock helps secure the measurement position
Note: Do not rotate the ratchet with special force, otherwise it will cause damage; the reading should be made to one tenth of the minimum degree
Locking Device Design
Grasp firmly, not easy to fall off, locking design effectively locks the measuring column, improve the accuracy of measurement
Easy to Read
Laser line engraving, numerical scale is clear, easy to read the value
Applicable Environment
Outer diameter micrometer, suitable for plate thickness measurement, workpiece measurement, mold processing, etc
Precautions
When not in use, the micrometer should be placed in a protective box to prevent damage caused by collisions from affecting the measurement accuracy
Steps to Use
1. Zero calibration, ensure that the front edge of the differential cylinder is aligned with the transverse line, and the spindle scale is aligned with the zero scale of the differential cylinder
2. When measuring the object, first rotate the ratchet to adjust the distance between the side drill and the side micro-screw to slightly larger than the object size, and put the measured object into it
3. Slowly turn the ratchet until it makes a clicking sound to start reading. The clicking sound indicates that it has been clamped
4. First, take the end face of the differential cylinder as the straight line to read the indexing value of the scale line under the fixed sleeve
5. Then take the horizontal line on the fixed sleeve as the reading line and read out the indexing value on the movable scale
david m berry sherwood
Reviewed in the United States on February 21, 2024
worked good , thanks
Drewbstew
Reviewed in the United States on September 22, 2023
I’ve used more expensive gauges but this one does the same thing. Smooth anvil movement and accurate reading. Well worth the money
Cam
Reviewed in the United States on March 21, 2023
The ones I received are actually pretty darn accurate. But the numbers are way to small. Over all can't really complain for only being $20.00
Cuban-B33
Reviewed in the United States on January 1, 2021
Arrived broken. Couldn't get it to stay at zero. Look elsewhere for a 3-4 micrometer.
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