Re: [ATM] Another machining question, please

[GF <gary@rcn.com>]

Thomas,

Would the drill need to be re-hardened after grinding?

Thanks,

Gary Fuchs


Thomas Janstrom wrote:

>Hi Tom,
>
>You want to re-grind the drill to a profile that will cut the sort of hole
>you want, that way the drill can cut the shoulder that you need.
>
>And yes, you never quite have all the tools that you need/want/can have,
>that's where asking comes in, some one will know of a "cheat" to get the job
>done anyway!
>
>Cheers, Thomas.
>
>-----Original Message-----
>From: atm-bounces@atmlist.net [mailto:atm-bounces@atmlist.net] On Behalf Of
>Thomas A Simmons
>Sent: Friday, 16 February 2007 11:47 PM
>To: atm@atmlist.net
>Subject: Re: [ATM] Another machining question, please
>
>
>and how to modify a drill bit to grind (??) the bottom flat.
>
>
>
>
>
>Evidently, I don't have enough tools (VERY big laugh).
>
>
>
>
>
>Tom
>Too stubborn to quit being an ATMer
>
>
>
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>
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