8mm RF100 Speed 4FL 48? Helix Super-A Coated Carbide Standard Length End Mill, Plain Shank, 20mm LOC, 63mm OAL 20MM LOC,8MM SHANK,63MM OAL RF 100 Speed 4-Flute Right Hand 48? Helix, Right Hand Cut, Center Cutting Standard Length High Performance Carbide End Mill, Plain Cylindrical Shank, .12mm x 45? Corner Chamfer, Super-A Coated for Slotting, Ramping, Helical Interpolation, Roughing and Finishing Stainless Steels, Steels and Nickel / Titanium Alloys Series 6765 Guhring Part #9067650080000