Next message: Bob Austin: "T&T: need Albin 27 specs for boat transport!"
Thursday, October 7, 2004, 5:22:34 PM, Bob wrote:
BA> I would question if one can correctly tap a column of epoy or piece of any
BA> metal with a cordless drill. The reason is that even at the slowest speed
BA> drills are much too fast to tap.
BA> Milling machines can be set up to do taps.
BA> If you attempt to tap with a drill it will strip out any threads. The proper
BA> way to tap, is to go foreward a turn and then back a turn to clear the threads
BA> you have taped--and remove any material form the tap. This is best done by
BA> hand. Perhaps if you just want to tap a thin piece of sheet metal one could
BA> tap it with a drill.
BA> Bob Austin
I've tapped quite a few holes in 1/8" or thicker aluminum using a 3/8" variable speed drill - just run it slowly, and it works fine.
(For me, it probably does a better job than a hand-held tap and tap-wrench.)
--
Peter Bennett, VE7CEI Vancouver, B.C., Canada
Lien Hwa 28 (AKA Polaris 30) "Sea Spray"
GPS and NMEA info: http://vancouver-webpages.com/peter
Vancouver Power Squadron: http://vancouver.powersquadron.ca
_______________________________________________
http://lists.samurai.com/mailman/listinfo/trawlers-and-trawlering
To Unsubscribe send email to
Include the word Unsubscribe (and nothing else) in the subject or body of the message.
