I sharpen my own bits, on a grinder. I don't find it hard at all, but
then again when I started cabinet making you couldn't by them so had to
grind your own from high-speed steel bits. I still do the same. I have
tried purchasing a few but have found that they invariably need touching
up before use so have just stuck to making my own. Like all things it
takes a little practice to do it free hand. In the early days I had to
grind a few bits off square and start again to get them right.
On Sun 12 Dec 2004 04:16:03a, email@example.com (Max63) wrote in
I've been wondering that myself. I found this:
...which, if you can fix the line wrap, points to an extremely small
"A brad-point bit has a center cutting point called a brad, and a pair of
cutters with outside points called spurs. Sharpen the spurs and the
inside edges of the cutters with a triangular saw file. Keep the pairs of
cutters and spurs at the same height, and take off as little material as
possible when sharpening."
And there's a couple pictures. You're doing it by hand and by feel. But
you have to keep those spurs at exactly the same height.
Drill doctor website says it'll sharpen 'em - if you don't mind turning
your brad point into a regular bit.
I've found a few entries in some woodworking forums. All of them say they
throw the bit away when it gets dull, so they take great care with the
ones they've got.
I've found references to some attachments for something or other that
claims to sharpen brad point bits. Haven't found the thing yet, but some
of the references indicate it's really expensive.
Bottom line is, either you go at it with a small triangular file and be
really careful and probably mess up a few bits before you get good at it
(that's been my history with such things, anyway), or you get a new bit.
There might be professional sharpeners out there. Haven't found one yet.
When they say "Call or email for prices", I pretty much figure it's out of
my budget range.
And since so far, I don't even _have_ any brad points dull enough to either
sharpen or replace, I don't think I'll be getting that one.
If they are really cheap bits, the file is a good way to go.
If they are good bits, though, you won't have much luck - they are probably
high speed steel which the file won't touch.
You should be able to find a sharpening shop that can handle the brad points,
but unless they are large expensive sizes it may be cheaper to buy new ones.
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