5mm Diver 3FL Variable Helix Necked Carbide End Mill, Weldon Flat Shank, Nano-Si Coated, 13mm LOC, 18mm Reach 13MM LOC,6MM SHANK,57MM OAL RF 100 Diver 3 Flute, Right Hand 41?/43?/45? Variable Helix, Right Hand Cut, Weldon Flat Shank, Extended Neck Relief Center Cutting Carbide End Mill with .08mm x 45? Corner Chamfer for High Performance Ramping, Slotting, Plunging, Helical Interpolation Roughing & Finishing Steel, Stainless Steel, Cast Iron, Nickel/Titanium Alloys & Aluminum Series 6798 Guhring Part #9067980050000