ER hex collets?

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Subject Author Date
ER hex collets? Peter Fairbrother 07-21-2008
Posted by Peter Fairbrother on July 21, 2008, 8:24 pm
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Does anyone make ER collets to hold hex bar?

I don't think it's impossible, though they'd probably have to have 12
slots rather than 16 - but then some small ER collets only have 12 slots
anyway.


-- Peter Fairbrother

Posted by on July 22, 2008, 6:59 am
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> Does anyone make ER collets to hold hex bar?
>
> I don't think it's impossible, though they'd probably have to have 12
> slots rather than 16 - but then some small ER collets only have 12 slots
> anyway.
>
> -- Peter Fairbrother

Hi Peter ...I have been using the standard round bore ER25 's to hold
Hexagon bar for a long time now with no apparent problems...but
obviously this does not answer your question ...I am fairly certain
Square bore collets can be obtained but as to Hexagon ones...I am not
so sure..Try this site...

www.tradesalesdirect.co.uk/

Al the best for now,
John.

Posted by Peter Fairbrother on July 22, 2008, 9:23 am
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john.morton22@btopenworld.com wrote:
>> Does anyone make ER collets to hold hex bar?
>>
>> I don't think it's impossible, though they'd probably have to have 12
>> slots rather than 16 - but then some small ER collets only have 12 slots
>> anyway.
>>
>> -- Peter Fairbrother
>
> Hi Peter ...I have been using the standard round bore ER25 's to hold
> Hexagon bar for a long time now with no apparent problems...but
> obviously this does not answer your question ...I am fairly certain
> Square bore collets can be obtained but as to Hexagon ones...I am not
> so sure..Try this site...
>
> www.tradesalesdirect.co.uk/
>
> Al the best for now,
> John.
Hi,

no luck there, but it's an interesting site.

Apropos making some collets and/or adaptors, how do you make a
hexagon-shaped hole?

-- Peter Pairbrother

Posted by Tony Jeffree on July 22, 2008, 9:56 am
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On Tue, 22 Jul 2008 14:23:01 +0100, Peter Fairbrother

>Apropos making some collets and/or adaptors, how do you make a
>hexagon-shaped hole?

With a hexagonal drill of course... <G>

Regards,
Tony

Posted by David Littlewood on July 22, 2008, 5:06 pm
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>On Tue, 22 Jul 2008 14:23:01 +0100, Peter Fairbrother
>
>>Apropos making some collets and/or adaptors, how do you make a
>>hexagon-shaped hole?
>
>With a hexagonal drill of course... <G>
>
You can do it with a pentagonal drill....

http://www.integerspin.co.uk/polygon.htm


David
--
David Littlewood

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