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
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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