12mm RF100U 4FL Variable Helix Firex Stub Length Carbide End Mill, Necked, Plain Shank, 16mm LOC, 73mm OAL, 26mm Reach 16MM LOC,12MM SHANK,73MM OAL RF 100 U 4-Flute Right Hand 35?/38? Variable Helix, Right Hand Cut, Plain Cylindrical Shank, .20mm x 45? Corner Chamfer, Firex Coated, Extended Neck Relief, Center Cutting High Performance Stub Length Carbide End Mill For Roughing and Finishing Alloyed Steels, Cast Iron, Free Cutting Steels, Tool Steels, Hardened Steels, Titanium and Titanium Alloys & Other Special Alloys Up to 54 HRc Series 6706 Guhring Part #9067060120000