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I Forge Iron

slitting question

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Chichi, I went to a class of Mark Aspery a few years past, for my project I needed to punch a 1/8'' slot. I made the punch out of sucker rod that was at the shop. It was 1/8'' thick about 1'' long then tapered out to the 5/8'' sucker rod and mine was 3/4'' wide. It takes about 3 heats to puch but you only lose about 1/16'' thick material by 3/4'' the rest is pushed out. The punch has worked well just don't leave it in only about 3 or 4 hits and the water cool. It works for me and Mark Aspery. Oh it is just flat on the bottom with edges rounded just a little.

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