3/16 to 3/4″, 4 Flute Square End Mill Set – TiN Coating, High Speed Steel, Double End, 3/8, 1/2″ Shank Diam, Centercutting | 03053022

03053022 03053022 10PC 3/16-3/4″ 4FL HSS High speed steel (HSS) provides good wear resistance It is commonly used for general purpose applications on both ferrous and nonferrous materials Square ends are used for general milling applications including slotting, profiling and plunge cutting Titanium Nitride (TiN) is a multi-purpose coating which increases chip flow in softer materials The heat and hardness resistance allows the tool to run at higher speeds than uncoated tools.