[AT] Drill bits

[pga2 at BasicISP.net]

There was a pretty lengthy discussion about this very topic several years
ago (Cecil Monson was still with us) and the consensus was that the Drill
Doctor was a fairly good way to resharpen bits. I don't know how far back
the messages are kept, but you may be able to search the archives for
Drill Doctor or similar or resharpen or drill bits and find the info.
As I remember, the discussion went on for several days and there was quite
a bit (no pun intended) of info there.
I will say that I bought the 114 piece Titanium Nitride coated bit set
from Harbor Freight several years ago and the larger bits have performed
well, while the smaller bits have not. The good thing is thst the smaller
bits are available in singles, twos and threes pretty cheaply.

Phil

--- ddss at telebeep.com wrote:

From: "Dick Day" <ddss at telebeep.com>
To: "atis" <at at lists.antique-tractor.com>
Subject: [AT] Drill bits
Date: Sun, 13 Oct 2013 22:07:39 -0500

I guarantee that everyone on this list knows way more than I do about tools. 
I assume that, like most things, you get what you pay for.  Years ago, I 
bought what I thought was a very good (expensive, at least for this wallet) 
set of drill bits, that went from just thicker than a hair to 1/2"  They 
performed well but over the years they have pretty much worn out, and I hate 
to admit it, I broke a few and lost one.  When drilling any type of metal, I 
always have a can of 3-in-1 Oil with me and use it liberally.

Does anyone use a Drill Doctor (or similar piece of equipment) to lengthen 
the life of your bits?  It looks like they range in cost from $50 to $250. 
Before I invest in a new set of bits, any thoughts on renewing verses 
replacing?

Thanks

Dick 

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