Doug White wrote:

The key thing to watch out for is heat. You either want as little as
possible, or lots, enough to throughly melt the stuff.
Doug White

Use some soapy water as a cutting fluid/coolant. And, Agreed, use a
pointy drill bit. I also would stone the "corners" where the shank meets
the point rounding them a little....more of a reamer finish.
RR