Automotive How to use Vernier Calipers & Micrometer Screw The EngineerJune 27, 2021June 27, 20211 Advertisement How to use a Micrometer Screw Gauge Open the micrometer by turning the thimble or ratchet. Place the object to be measured between the spindle and anvil. Close the spindle by turning the ratchet, not the thimble. The ratchet … Read More
