Check the listing for details. 3mm-20mm 4 Flutes Solid Carbide Roughing End Mills - AlTiN Coated. Condition: New. Listed at 4.99 USD. 3mm-20mm 4 Flutes Solid Carbide Roughing End Mills - AlTiN Coated Features: AlTiN Coated for improved performance and tool life in harder materials or high temperature applications. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures. Precision ground using the highest quality grinding wheels. High strength and hardness, abrasion resistant, practical, easy to use and durable in use. Material: Solid Carbide Hardness: HRC55 Flute : 4 Flute Application: End Mill Bits are used for side milling, end milling, finish machining, etc. Apply to wood, steel, stainless steel, alloy steel, carbon steel, die steel, tool steel, cast iron, titanium, alumi1pcs 3mm-20mm 4 Flutes Solid Carbide Roughing End Mills - AlTiN Coated3mm-20mm 4 Flutes Solid Carbide Roughing End Mills - AlTiN Coated Features:AlTiN Coated for improved performance and tool life in harder materials or high temperature applications.Solid carbide tools offer long tool life and faster cutting speeds than other substrates, Carbide can run at higher speeds than high-speed or cobalt steel, resisting wear and high cutting temperatures.Precision ground using the highest quality grinding wheels. High strength and hardness, abrasion resistant, practical, easy to use and durable in use.Material: Solid CarbideHardness: HRC55Flute : 4 Flute Application:End Mill Bits are used for side milling, end milling, finish machining, etc.Apply to wood, steel, stainless steel, alloy steel, carbon steel, die steel, tool steel, cast iron, titanium, aluminum, etc. Package included:1x pcs 4 Flute Roughing End Mill