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- Oct 11, 2016
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I have several (4? 5?) Jacobs keyed chucks 2 keyless offshore chucks and an Albrecht. For runout, the Albrecht is king -- but it doesn't hold anywhere near as well as my Jacobs ball bearing chucks. so for small drills and light drilling, I use the keyless. For everything else the superchuck.
The Albrecht has about .0004 runout, and the Jacobs superchuck around .00085 all the others are far worse.
The Albrecht has about .0004 runout, and the Jacobs superchuck around .00085 all the others are far worse.