What R8 drill chuck should I get?

Driveslayer45 said:
Titaniam K .. i certainly understand the best holes are made by a reamer, just thinking about getting a good start with the cleaner hole
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Makes sense.

Your OP mentioned that you will be drilling 1/2-5/8" holes so my recommendation would be a Jacobs Ball Bearing Super Chuck. I have one that I bought for $5 at a used equipment place here in town years ago. It is old, so I assume it is US made. It isn't silky smooth like my Albrecht but it is a solid performer and it won't lock-up on you. It is built like a tank; I think if we have a nuclear holocaust there will only be cockroaches, Schwinn Varsity bicycles and Jacobs Ball Bearing Super Chucks that survive. For larger holes it is my go-to chuck on the mill. Good luck! TK
 
I have an 0 to .5 Albrecht chuck with a 1/2 in arbor, 1 1/2 inches long. It fits nicely in my mill with it's 1/2" R8 collet. The extra length of the arbor isn't needed, the collet only holds about that long anyway. It's easier to change in and out, too.
 
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