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Square drill bits
#616185 02/03/2010 12:38 AM
Joined: Feb 2006
Posts: 1,867
Kingston, WA
R
rustednuts
Offline
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rustednuts
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R Offline
Joined: Feb 2006
Posts: 1,867
Kingston, WA
Anyone know where to pick up a decent set or just a few sizes for drilling those square holes?

Thanks, Jeff

My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton
Re: Square drill bits
rustednuts #616192 02/03/2010 12:53 AM
Joined: Apr 2006
Posts: 273
Calgary Alberta
O
Old 'Burb Lover Offline
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Old 'Burb Lover
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O Offline
Joined: Apr 2006
Posts: 273
Calgary Alberta
Ya might like

this

I found it here
Re: Square drill bits
Old 'Burb Lover #616403 02/03/2010 3:03 PM
Joined: May 2005
Posts: 8,878
Lexington, VA
G
Grigg Offline
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Grigg
.
G Offline
Joined: May 2005
Posts: 8,878
Lexington, VA
Like this?
http://www.slatertools.com/rotarybroachingtools.htm

But I think this is the tool you really need, a punch.
http://roperwhitney.com/punching/2-67.cfm
or http://roperwhitney.com/punching/2-89.cfm

I've got one of these, but haven't bought the square die set yet, plan to when I'm ready to punch bed strips...
http://www.americanwhitney.com/91BenchPress.html

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: Square drill bits
Grigg #616609 02/04/2010 2:54 AM
Joined: Jan 2008
Posts: 4,960
Fredericksburg, Texas
C
crenwelge Offline
'Bolter
crenwelge
'Bolter
C Offline
Joined: Jan 2008
Posts: 4,960
Fredericksburg, Texas
I have had a Roper Whitney model 8 out at the shop for many years. I recently bought a 7A on eBay and I think it will be just right for working on my jalopies at home. The 8 is heavier than I need at home. In my opinion, that is the only way to make square holes for stuff like carriage bolts.

Moderated by  MNSmith 

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