Jul 10, 2006 · The next size up in Jacobs is a 33-34 but it doesn't give the pin size. I have a 33-34C on my drill press at the office with the original chuck key, I can measure it for you tomorrow if you'd like.

Dec 27, 2011 · The 2011 needs to be pressed together a bit better since the k4 key does not engage well. According to the Jacobs chuck/key compatibility chart the correct key is a k4.

Oct 20, 2007 · Follow-Up FYI: Worked with MSC trying to find the correct key for a Jacobs 6A. MSC's contact at Jacobs then lead to an long time employee that was very familiar with the older Jacobs …

Jul 10, 2016 · The Foredom 30 handpiece is made with a Jacobs 0 chuck, so you do want a 0 key. Foredom sells a stock 0 key with a clever plastic handle which I like much better than the stock key …

Oct 8, 2010 · One reason for wear on old chucks and chuck keys is that the keys aren't quite the right size for the chuck -- just a possibility. Another, at least with some Jacobs chucks, is that the sleeve …

Aug 6, 2017 · Do you mean you want a 1/2" drill chuck with a Jacobs no. 2 taper? If so, they are easy to find, like on Amazon or eBay, in various makes and quality/price. There is a Jacobs no. 2 short taper, …

Nov 16, 2014 · Its a chuck, you want accuracy, go buy a er32 collet set and morse taper holder and move on in life. Alternatively swallow that bullshit pride of you americans and go buy a chuck from …

Apr 26, 2004 · I need a drill chuck from my mill, 0" to 1/2" range. I have a Jacobs super ball bearing chuck on the lathe that seems to work pretty well. Should I just get another Jacobs, or should I go for …

Mar 22, 2010 · The best new keyed chuck I have bought is a Golden Goose Brand (picture of a pelican for a trade mark) made in China. It is a ball bearing 1/4 capacity, much smaller than the Jacobs 1/4 …

Feb 10, 2020 · I have Cushman and Skinner chucks for my South Bends and Monarch that I just made a chuck key for at .305 flat to flat. There is no way a 5/16 would work, and the square recesses are too …