16mm RF100S/F 6FL Variable Helix Plain Cylindrical Shank Necked Firex Coated Carbide End Mill, 32mm LOC, 42mm Reach 32MM LOC,16MM SHANK,92MM OAL RF 100 S/F 6-Flute Right Hand 44?/45?/46? Variable Helix, Right Hand Cut, Plain Cylindrical Shank, Extended Neck Relief, Standard Length, High Performance Center Cutting Carbide End Mill with .15mm x 45? Corner Chamfer, Firex Coated for Universal Finishing Materials up to 48 HRc. Series 3631 Guhring Part #9036310160000