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PrecisionMachinisT
 
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"Karl Townsend" remove .NOT to reply wrote
in message ink.net...

...

http://yarchive.net/metal/brass_drilling.html


What a wonderful walk down memory lane. Went "up" to index and seen lots

of
posts by "Teenut", Robert Bastow. May he rest in piece. I didn't see my
personal favorite "Teenut" post, the six million dollar bionic drill
sharpener, or how to hand sharpen a drill bit.


I didnt read it all-standard drill modification for drilling brass applies
in this kind of case is all.

When your hand drilling to enlarge a hole only a tad bit then your positive
rake due to the flute helix is mostly a hindrance...better method would be
to use a straight shank reamer or core drill.

--

SVL