Todays Project - What did you do today?

[SnailPowered]

One of the guys I work with got some solid aluminum 40mm practice grenades that we shoot from the MK19 belt fed grenade launcher (if you haven't witnessed this awesomeness, you need to!) and wanted to make shot glasses out of them. His original idea was to just use a drill bit. Well when you want a 1.25" hole for a shot it doesn't make much sense to use a drill bit. I told him my lathe was set up and he asked me if we could do it. My response, "the lathe is capable, I have no idea what I'm doing with it. Let's give it a shot!" So he brought them over and we started making some chips last night. I actually used the back gear to push the 15/32 drill bit into the piece. Probably not the best idea but it was fun. Teaching yourself how to use a boring bar is kind of interesting. Then I used some mild rolled steel to make specialty cutters with the HF grinder I bought last night after work. This is the final product and I hope you guys enjoy the pics! I will be making some more today so I will take additional pics!

I also told him that I don't recommend drinking out of them and that they should be sealed with something before he does if he is going to. Also plan on cleaning up the tooling marks with a Dremel tool.