[TheForge] slit & drift question

[williamsiron at comcast.net]

Dave,

As you are cutting through 3/4" bar, I would use H-13 for the slitter and make two of them. Plus make the drifts out of S-7.

Mark
Snow Hill, Maryland

-------------- Original message -------------- 
From: "Dave Mudge" <dave at magichammer.net> 

> 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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