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Discussion Starter #1
I've seen it stated many places that a 6309 crown should turn at least 1.5 complete revolutions when screwing down.


However, some people post that their crowns take three or even four turns to screw down. Is this possible? I own three 6309s and their crowns all take just over two complete turns to screw down. I bought a brand new crown and it only gave me 2.5 complete turns.



Are the 3-4 turn folks actually referring to "finger rolls" or do new crowns and new tubes actually get up to four complete revolutions from initial threading to tight?
 

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Just checked mine, I get about 2.5 complete revolution. It's not a new crown and the threads on the tube appear perfect.

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