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Old 12-18-2011, 09:05 AM
52fatness 52fatness is offline
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If buying used on micrometers make sure the anvils aren't chipped and are still paralell to each other and the graduations on the barrel and spindle are clear and easy to read. Also make sure there is no excessive play / shake in the threads and that they feel smooth all the way through the range. On calipers and indicators make sure you feel no binding or excessive looseness through their range and that they always return to the same reading. Calipers are fairly easy to clean if their is dirt in the rack but dial indicators can get complicated (similar to a watch movement inside). Good luck
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