I got to spend somebody else’s money for this one. The customer is supplying the money for the cutting tools and material in advance.
All solid carbide: two #3 center drills, one #5 center drill, three 5/16” drills & two 3/8” drills.
All on one order from Suncoast Tools: $195.06 including tax & shipping (but they didn’t charge me tax). I get to keep the worn tools after the job!
These are for drilling over 200 (!) holes in .125” wall 304 stainless steel angle. The angle is 1-1/2” X 1-1/2”. These are support brackets for a hardwood fence. The tolerance for this job is 1/32”.
I have almost no experience machining stainless, but I saw this: