ITEM NAME:Bap400R 50-22-4T Milling Holder Carbide Insert Face Mill Shoulder Cutter fo W5K3 Bap400R 50-22-4T Milling Holder Car.Model Number:ï ¼Å¸BAP400R 50-22-4T. Using:ï ¼Å¸face milling and pocket milling in mold and die, general machining. Application:ï ¼Å¸Milling Cutter. 1 Milling holder.