Closed end mandtel

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mark james

IAP Collection, Curator
Joined
Sep 6, 2012
Messages
11,855
Location
Medina, Ohio

randyrls

Member
Joined
Feb 2, 2006
Messages
4,575
Location
Harrisburg, PA 17112
Rick; I believe there are several articles in the Library "Pin Chuck" is the thing to search for.

I've made these with a mandrel rod and a flat file. Use the file on edge and file a 1/2" flat the depth of your pin. The closer you get to the dimension of the pin the better.
 

fernhills

Member
Joined
Jan 22, 2007
Messages
2,140
Location
Hellertown, PA, USA.
I use the HF punch set and slip a rubber O ring in the flat. cut the O ring, cut it long and slip it in. I bought a box full of O rings all thickness available for what we use.
 
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