20mm RF100VA 4FL Variable Helix, Plain Shank Necked Carbide End Mill, nano-A Coated, 38mm LOC, 52mm Reach 38MM LOC,20MM SHANK,104MM OAL RF 100 VA 4-Flute Right Hand 36?/38? Variable Helix, Right Hand Cut, Plain Cylindrical Shank, .60mm x 45? Corner Chamfer, Nano-A Coated, Extended Neck Relief, Center Cutting High Performance Standard Length Carbide End Mill For Stainless Steels, Steels, Cast Iron, Titanium / Nickel Alloys & Other Special Super Alloys Up to 54 HRc Series 3800 Guhring Part #9038000200000