Y.G-1 TOOL CO. SEME610400330

4mm 2FL Necked 30? 4G Mill Coated Carbide End Mill For Steels <HRc55, .30mm Radius, 30mm Reach, 6mm LOC, 70mm OAL 6mm LOC,6mm SHANK,70mm OAL 4G Carbide End Mill For High Speed Cutting Mold & Die Pre-Hardened Steels Up To HRc55 YG-1 Part # SEME610400330