Keeping the Chuck on the mill

01-02-2005, 00:16

ChuckDickerson ChuckDickerson is offline

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Re: Keeping the Chuck on the mill

As others have indicated it it a very bad idea mill with end mills in a drill chuck. The drill taper is not designed to hold with a side load. It is designed to drill (up and down) so the forces press the drill chuck onto the taper when drilling. You can get a set of R8 collets very inexpensively from ENCO (www.use-enco.com).

6pc R8 collet set DD231-4606 currently on sale for $19.95
11pc R8 collet set DD231-4611 on sale for $36.95
23 pc R8 collet set DD231-4624 on sale for $77.95

The $20 6pc set should serve you well and be much safer than milling with a drill chuck.

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