All precision metrology instruments should be taken care of to preserve their calibration, and the micrometer has a ratchet on its end to ensure a constant torque when it is tightened. It should ...

The micrometer caliper is graduated to an accuracy of 0.001 inch (25.4 microns). The thimble comes with a ratchet stop so you ...

In this case as with all micrometers it’s possible to overshoot the zero and damage the thread if you apply too much force, but just on the ratchet it would land in the same place. A pass on a ...