Stripped threads - help

Started by hakescl, 09/30/2003 04:18PM

Posted 09/30/2003 04:18PM Opening Post

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Join Date: Jun 2001

Location: Durango CO, US

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The aluminum block that mounts my ST 80 to the tripod has the 1/4-20 threads stripped just enough so I can't attach it any more. I have re-tapped the hole, but the threads just start too deep. Any suggestions?

Thanks,
Charlie

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Fort Lewis Observatory: (37.238, -108.052) ~2360m (7744 ft.) elevation.
Darkness - typically 6.5+
Scope - Meade 16" LX200; f6.3 focal reducer
Focus - JMI Smart focus
Camera - SBIG ST-10XE; (~.5"/pixel)
Guiding - AO-8 and/or Meade 5"/DSI/PHD
http://www.fortlewis.edu/observatory

Posted 09/30/2003 04:48PM #1

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Location: Bakersfield CA, US

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Helicoil would also fix this. Auto parts stores carry them.

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[SIZE="Large"][/SIZE][COLOR="Blue"][/COLOR] Floyd Blue grin

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Posted 10/01/2003 02:07PM #2

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Join Date: Jun 2001

Location: Durango CO, US

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Thanks for the replies all. I think I will look into the helicoil first - do you need any special tools for installing one? I have seen them already installed, but have never watched how they go in. I have used the 1/4-20 inserts you can put into wood, but I would be surprised if the same technique would work on aluminum. (BTW - why do they put threads in aluminum in the first place.?!)

Charlie

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Posted 10/03/2003 01:45AM #3

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Gotta love it !

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