[TheForge] slit & drift question

[Ron Childers]

Dave, there is a treatise on punching on anvilfire.com; iforge #'s 63 & 64.
Somewhere there are notes on punching square and round. I'll search my
files; I know I made a copy. Ron C

-----Original Message-----
From: theforge-bounces at mailman.qth.net
[mailto:theforge-bounces at mailman.qth.net] On Behalf Of Dave Mudge
Sent: Thursday, September 20, 2007 10:24 PM
To: theforge mailist
Subject: [TheForge] slit & drift question

Dear TheForge,
I have a couple questions that I think some of you my have answers for.
I have a job coming up where I will have to pass 1/2" square pickets
through 3/4" x 1-1/2" flat bar.
I want to use the split & drift method.
1. How long does the split have to be to be in order to drift it out
to 1/2" square? even through 3/4" flat bar?
2. What is the best material that may be commonly found in a machine
shop to make the splitting chisel from?

thanks in advance,
dave mudge
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