[TheForge] Drilling hard metal

[Dan Tull]

A nail chucked in a drill motor so the head burns a spot, is an old 
machinest trick.

----- Original Message ----- 
From: "Ron Childers" <munlaw2 at hcsmail.com>
To: "'Sponsored by ABANA'" <theforge at mailman.qth.net>
Sent: Thursday, April 20, 2006 12:53 PM
Subject: RE: [TheForge] Drilling hard metal


> Another method is using a worn-out drill bit or rod and friction burn the
> hole with high speed and pressure. Ron C
>