TOLERANCE RANGE FLUTE DIA. 0～-0.03mm SHANK DIA. h6 These end mills are funished as regular with right-hand cutting and right-hand helical flutesThese long series end mills are possible for deeper & wider cutting by using the much longer flutes to do metal cutting for general Steels,Brass etc. Packaging & Delivery Packaging Details: Plastic boxes inside and cartons outside; or based on the customers' requirements. Delivery Detail: 1week once confirmed the order