End Mills Ball 2 3 4 Flute Reduced NeckEnd Mills Ball 2 3 4 Flute Reduced Neck These reduced neck end mills feature long flutes for deep pocket milling and are stocked in either 2 3 or 4 flutes each offered with an AlTiN coating option for added lubricity and increased wear resistance SFBM and MMBM manufactured to improved cutter diameter tolerance H8 for mold making