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Old 03-04-2020, 12:58 PM
Cliff (Clifford)
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Thread sizes on Orion Vixen Dovetail ?

Hi all,

I have my 6" SCT mounted with Rings and a Orion Vixen dovetail but now want to mount something else to the dovetail as well and I thought they would be 1/4" but appear not , any ideas so I can buy the correct bolts , metric ?

Appreciate any assistance
Cliff
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Old 03-04-2020, 02:57 PM
Astronovice (Calvin)
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Bolts

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Originally Posted by Cliff View Post
Hi all,

I have my 6" SCT mounted with Rings and a Orion Vixen dovetail but now want to mount something else to the dovetail as well and I thought they would be 1/4" but appear not , any ideas so I can buy the correct bolts , metric ?

Appreciate any assistance
Cliff
If they look like 1/4” try either 6mm metric, or they could be 1/4” UNC rather than Whitworth.

For what it is worth, my TS scope rings have tapped 1/4” UNC holes, I was expecting them to be 6mm metric.
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Old 04-04-2020, 11:00 AM
Cliff (Clifford)
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Thanks Calvin,

I am using the 1/4' threads in my rings to mount the vixen bar , I think you are right that the others are 6mm . now off to buy some bolts.

Cheers
Cliff

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Originally Posted by Astronovice View Post
If they look like 1/4 try either 6mm metric, or they could be 1/4 UNC rather than Whitworth.

For what it is worth, my TS scope rings have tapped 1/4 UNC holes, I was expecting them to be 6mm metric.
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Old 09-04-2020, 03:27 PM
napster (Jonathan)
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cool
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