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#1
February 29th 04, 03:23 AM
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In Veeduber wrote:
The truth is, most homebuilders are using dull drills, having the wrong angle, chucked into a K-Mart Blue-Light special turning maybe 1200rpm. I've no idea if they are using plain carbon steel or nitrided cobalt -- and neither do they. But I do know that if they are making bad holes the SFM formula I cited will PROBABLY help them make better ones. I guess I just associate with a higher class of homebuilders over on the Bearhawk list. 8^) We don't typically get into drill speed formulas but for the most part we all use decent tools. Then again, there are enough holes to drill in the BH wing that using the K-mart special would almost certainly drive the user completely insane in short order. ---------------------------------------------------- Del Rawlins- Remove _kills_spammers_ to reply via email. Unofficial Bearhawk FAQ website: http://www.rawlinsbrothers.org/bhfaq/ 
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