Ever need a square hole?

J

jeffdavison

Joined

Feb 22, 2011

Messages

572

• Nov 19, 2011

• #1

Check this bit out....
http://www.garagejournal.com/2011/11/th ... drill-bit/

JD

 

willh

Joined

Feb 3, 2010

Messages

438

• Nov 19, 2011

• #2

I'm old fashion . Square punch and die and a few tons of pressure... but I can see applications for this. Betting the drive costs a few bucks.

 

R

RennieK

Joined

Nov 20, 2008

Messages

1,362

• Nov 19, 2011

• #3

Yeah, that's not a simple set up. The collet is oscillating in time.

 

J

jeffdavison

Joined

Feb 22, 2011

Messages

572

• Nov 20, 2011

• #4

not that uncommon.... nothing special needed..

http://www.youtube.com/watch?v=L5AzbDJ7 ... r_embedded

http://www.youtube.com/watch?v=3n9kFqfm ... re=related