1/2x3" .030" W/ 5 Flutes 1-1/4" Flute Length *AlCrN* Coating Recommended for Titanium, Inconel, and Stainless Steel Variable Helix - 5 flutes - AlCrN Coated Solid submicron grain carbide end mill - center cutting Engineered for High Efficiency Milling Staggered flutes to control harmonics Variable flute design helps with chip evacuation in slots and pockets PCT (Polish Carbide Treatment) enhances tool life 12mm and larger tools offered with weldon flat