View Full Version : NT30 ER40 Chuck
electrosteam
1st May 2016, 08:38 AM
I have just acquired a couple of new 1" Sutton end mills with threaded ends, and no chuck to hold them.
I see listed in the catalogs ER40 collets 25/26 mm that could be the way to go.
John.
pipeclay
1st May 2016, 11:26 AM
That will work, also have a look for BT30 chucks as well,they are usually cheaper than the NT30.
You would need to make a longer draw bar though.
.RC.
1st May 2016, 02:38 PM
You can get bigger ER40 collets then 26mm as well. Up to 28 or 29mm I think.
Also you will find you will only be able to take light cuts with such big endmills. They are large endmills for an ISO30 spindle. But handy when you need a large endmill.
snapatap
1st May 2016, 05:45 PM
That will work, also have a look for BT30 chucks as well,they are usually cheaper than the NT30.
You would need to make a longer draw bar though.
The other way is to make adapter that screws onto the bt30 arbor to make up the length, that is how i do it and it works well. I think you can actually buy the adapter.
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