I finally got my deep hole drilling to stop breaking tools

I was working with stainless steel and my drill bits kept failing. After some trial, I switched to a peck cycle to clear chips better. How do you handle deep drilling on tough metals?

2 comments

2 Comments

william_wood1d ago

Tool coating choice affects breakage more than you might expect.

quinnbailey1d ago

Found that out the hard way when my old uncoated blade snapped...