84 make an end mill or slot drill from a standard HSS drill

Slot Mortising Drill Bit at Best Price in Ludhiana slot cutting drill bit for metal Running along a piece of scrap to give me a relatively straight edge Trued if up with a small slot cutter in the mill I slot machine big win How do you cut slots? I simply drill a hole in my workpiece the size of the bit that I am using

slot paris The hole has to be 1316 diameter with a flat bottom, about 34 deep T-slots Inc does sell a bit which they call a 1316 Counterbore Cutter