Re: BT versus CAT taper

On Fri, 06 Jan 2006 17:48:45 -0500, john <amdinc@xxxxxxxxxxxxxxx>
wrote:

>
>
>William B Noble (don't reply to this address) wrote:
>> aaarrrggghhh!!!
>>
>> ok, now that I've said it - I have this Abene mill - it has a #40
>> taper, so I bought a pile of #40 tool holders. Some (about 2 out of
>> 5) work properly, the remainder have the wrong draw bar thread. So,
>> I'm imagining that I have two different types of holders - it seems by
>> looking around that BT and CAT are the same except for drawbar thread
>> (metric for BT, inch for CAT) -- is this correct?
>>
>> If yes, anyone wanna trade?
>> Bill
>>
>> www.wbnoble.com
>>
>> to contact me, do not reply to this message,
>> instead correct this address and use it
>>
>> will iam_ b_ No ble at msn daught com
>
>
>Its not only the tread is different, the design of the ring that the
>toolchanger grabs is different too. Are you looking for BT or Cat 40?

He's actually looking for standard American or NMTB 40. His mill
isn't CNC so the ring doesn't really matter.



Wayne Cook
Shamrock, TX
http://members.dslextreme.com/users/waynecook/index.htm
.

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