The O1 drawing dies have worked well, but they weren’t as well polished as they could have been nor were they heat treated.
I realized using a dremel + felt bob + polishing compound may a better way to polish. In this video, we build a rotating fixture to spin the die as we polish.
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Machining & Heat Treat Tool Steel Vise Inserts!
Heat Treat Oven for Machine Shop
Making Copper Bullet Jackets: Machining Punching & Drawing Dies!