The lock ring doesn't work. It may take several iterations to get it right. If the last line you saw were a 5, then you would have 5 mm thus far. Mineral spirits to get oil and residue off and light oil, cotton swabs, and bamboo skewers to remove residue, grime, and rust. The spindle was removed and the lock ring reinserted. The spindle may not go through the spindle lock without wiggling the lock assembly a bit. BEFORE DOING THIS: there are two setscrews in each location. Micrometers & Verniers Sections 9 & 10 Flashcards | Quizlet Penetrating oils do a great job for this type of work. I don't think Starret makes/has made interchangable anvil thread mic's like Mitutoyo (and the generic import suppliers). Dial micrometer. Although it possibly dates from the 1930s (it is in the 1936 catalogue) it is in near . Clean, with no burrs or roughness. Abrasive paper can be used, but it is awkward to get in, and getting rid of the residue can be difficult. Digital | External | Internal | Micrometers | analogue | Mitutoyo Starrett still supplied them a few years ago, even for the oldest units, but eventually they will run out of the old stock. After thorough cleaning and drying of all parts, the spindle was test fit to check the thread fit. This all comes at a price. From 1932 the spindle and thread were made in one piece from KE637 steel. If the adjustment does not want to move, we are back to the penetrating oil and mineral spirits. If there is significant play, unthread just enough to allow the adjuster to be separated from the sleeve, turn the adjuster one position, and retry.. Moore & Wright MW220-07DDL Large Adjustable External Digital Micrometer There are 25 uniformly spaced marks around the circumference of the thimble that allow measurements to be read to 1/1000".
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