[AT] Drill bits

[henry miller]

As for renew vs sharpen, I'm convinced that it would be cheaper in the long run to replace unless you sharpen freehand and also have enough other uses for a grinder that you don't need to count the cost of the grinder in here.  (If you are paying time to sharpen even here it isn't worth it) The grinding wheel will wear out eventually as well, which somehow enters into the ecconomics discussion.

None the less I have a drill doctor and recomend it. The other day I broke a drill bit, a few minutes sharpening and I was able to finish the job.  Otherwise I would have to run to town to buy a replacement.

Dick Day <ddss at telebeep.com> wrote:
>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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