High performance solid submicron grain carbide drill on 3mm or 1/8 dia. shank 3 deg helix for better chip evacuation For high nickel, high temp alloys, cobalt-based alloys, stainless steels and tool steels >4Rc
1.15mm (.0453) 12xD H/P 2FL DR AlTiN-based High performance solid submicron grain carbide drill on 3mm or 1/8 dia. shank 30 deg helix for better chip evacuation For high nickel, high temp alloys, cobalt-based alloys, stainless steels and tool steels >40Rc Live tooling recommended on lathe processes L3 reach = L2 + .075 [2mm]
