Harvey Tool 943909-C6 | 0.1406" (9/64) Diameter x 0.1875" (3/16) Shank x 0.4250" LOC x 2.0000" (2) OAL x 0.0300" Radius 4 Flutes AlTiN Nano Coated Carbide High Temp Alloys Corner Radius End MillThe variable helix design of the Variable Helix End Mills for High Temp Alloys Corner Radius reduces chatter and harmonics and increases material removal rates (MRR) in titanium alloys, inconel, nickel alloys, and other high temperature materials. h6 shank tolerance for high precision tool holders CNC ground in the USA Center cutting Solid carbide Product Specifications Tool Number 943909 C6 Cutter Diameter (Inch) 0. 1406" (9 64) Length of Cut (Inch)