Widin Carbide End Mill For Mold & Die - 4 Flute Ball Nose - 1mmWith its 4 flute design, it offers increased cutting efficiency and versatility. The end mill features a high strength cutting edge that is achieved through the application of an optimized rake angle. This ensures exceptional cutting performance, durability, and longevity, even under demanding machining conditions. Additionally, the WB504 model incorporates a centre match type 3, which enables excellent workpiece finishes, particularly during high