Slitting Saw Arbor

I have a project that requires a .030 slot cut into it and I decided to make a slitting saw arbor. I have a couple larger arbors already and I’ve never been happy with their run out and the oversized bolt/washer they use on the bottom side. I decided to make one specifically for this .030 carbide slitting saw. It’s made from hardened 4140 and the saw fits snug over the arbor. So far, I’ve been very pleased with it and I have the feeling ill use it quite a bit for tabbing parts off as well.



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