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Racookpe, Attached are some images I took with my iPhone 6 and a DSLR camera. I don’t have the best lens for this. Hopefully these are the angles you requested. Any input would be greatly appreciated. Thank you.

Mike, By increasing the amount of teeth, I can decrease the height of the “cup” section. I want to go from 24 teeth to 36 teeth. Attached is an image of a hole saw I created with a 1/16” TiAlN endmill. On the mill, I used an indexing head and rotated the vice 60 degrees clockwise, and then 60...

hydtools, that's genius. I could do it in the mill using a small carbide endmill and an indexing head. I could still use my v-cutter without trying to customize it. Thank you.

ornerynorsk, I will temper at a higher temperature. I didn't realize that I could laser harden the edges, so I will look into that. dgallup, I was looking at both stainless 420 and 17-4 PH. What do you guys think about induction hardening? Many of the hand saws in Home Depot are done this way...

I also noticed the break starting at the V root. The 60 degree tooth profile works best for me, but I can’t find a 60 degree cutter with a radius. I may have to customize one. I will try tempering at 500 degrees C. Do you think the 30 minute heat treatment at 1038 degrees C is too long for such...

Hello, I’m an industrial engineering undergrad who is making my own stainless 440C hole saws from 1 inch OD round bar. Using a lathe, I drilled, reamed, and finally used a boring bar to get the wall thickness to 0.021” (I know, it’s very thin). I then used a mill and a v-cutter to machine the...