80f5 : Message: Re: Thread Size for Skywatcher ST80 Mounting Shoe?

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Thread Size for Skywatcher ST80 Mounting Shoe?

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Message #7204 of 7242 |

Re: Thread Size for Skywatcher ST80 Mounting Shoe?

--- In 80f5@yahoogroups.com, "Gene Baraff" <g2baraff@...> wrote:
>
> The mounting shoe on the Skywatcher ST80 has four holes threaded to receive
screws from below.
>
> Two of these holes are tapped 1/4 - 20.
>
> What is the thread size of the other two?
>
> ******************
>
They are 12-24.

Gene Baraff

Mon Mar 9, 2009 1:35 pm

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"Gene Baraff" <g2baraff@...>

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Message #7204 of 7242 |

Expand Messages	Author	Sort by Date
The mounting shoe on the Skywatcher ST80 has four holes threaded to receive screws from below. Two of these holes are tapped 1/4 - 20. What is the thread size...	Gene Baraff g2baraff	Mar 7, 2009 3:18 pm
... They are 12-24. Gene Baraff...	Gene Baraff g2baraff	Mar 9, 2009 1:35 pm
... Those may be M6 - double check before tightening too hard... M6 has a 25.4TPI thread (1.0MM pitch) and is a little bigger than 12-24, so there may be a...	Whitney Turner thomcat316	Mar 12, 2009 4:06 am
... Thank you. I answered my own question by discovering (trial and error without any metric screws in my took kit) that the 12-24 screw did go in. How would...	Gene Baraff g2baraff	Mar 12, 2009 9:31 pm
... Gene, I would hazard a guess that it isn't a #12-24 machine screw. That is an uncommon size today even here in America. While I don't own a Skywatcher...	Phil Lefever kb0nes	Mar 13, 2009 5:03 am
... Thanks, Phil. Certsainly, the M6's ARE available localy. I just didn't try one (from the store) because the 12 - 24 DID fit. Although it held well...	Gene Baraff g2baraff	Mar 13, 2009 1:44 pm
... You two were right. The M6 x 1.0 is a much better fit. And the M6 hex head is better suited for my use tha was the 12-24 slotted head. Thanks. Gene...	Gene Baraff g2baraff	Mar 13, 2009 8:00 pm

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