Carbide spade drill to drill out hardened steel

Only 4 geometries to grind on a broken carbide endmill shank and you can drill out hardened steel.

Inspired by Sandvik hardcut and OSG tap extracting drills

https://www.amazon.com/dp/B0055860LA

https://www.osgtool.com/exocarb-xh-drl-drills-5172