Solid submicron grain carbide drill For materials 4 Rc and higher For high nickel, cobalt based and powdered metal
NO23 (.1540) 3xD 2 ST/FL 1 F/L 135 DEG PT Solid submicron grain carbide drill For materials 40 Rc and higher For high nickel, cobalt based and powdered metal 1.5 times the diameter optimum drilling depth 2 str/rhc flute design provides excellent rigidity Live tooling recommended on lathe processes