Actually your description is actually the method I have been using (my
method A). You just wrote a much better description. Thanks.

Mark

On Mon, Nov 3, 2008 at 4:37 AM, Kaye, Danny <danny.kaye@n...> wrote:
>
> I use method c
>
> Line the corners of the tang on the bit up with the corners cut into
> the chuck and push the bit into the chuck. Tighten the chuck lifting
> the bit out so that the jaws can close around the round part of the
> bit as tightly as possible
> - without lifting it so far that the top of the jaws clamps on the
>   square part This makes the corners of the jaw clamp around the round
>   part of the shaft and the jaws close as far as possible giving the
>   bit maximum support.
>
> hope this makes sense
>
> Danny Kaye Multimedia group 0115 848 2231
>
>
>
> -----Original Message----- From: oldtools-bounces@r... on behalf of
> Mark Lovett Wells Sent: Mon 03/11/2008 04:44 To: Old Tools List
> Subject: [OldTools] A really dumb question about braces
>
> Okay, so I feel like I should know the answer to this. I even looked
> in several books to try to find the answer. But alas, nobody explains
> it in enough detail, so here I go, asking a silly question.
>
> When securing a bit in a brace with a two jaw chuck, how far do you
> put the bit into the chuck? I have been using two different methods:
>
> Method A: Line the corners of the tang on the bit up with the corners
> cut into the chuck and push the bit all the way in. This makes the
> corners of the jaw clamp around the round part of the shaft.
>
> Method B: Clamp the square tang of the bit with the visible cut outs
> in the jaw of the chuck.
>
> Method A is what I've been doing, but I started wondering if that's
> "wrong" because the cut outs in the chuck are clamping around the
> round shaft of the bit. Method B seems to work until you try to pull
> the bit out of a hole, which case it frequently comes out.
>
> So which is it?
>
> Mark
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