10-Piece Set HSS End Mill 4Flutes Metal Cutter Square Edge Aluminum Wood Metal Milling Tool Bits Flat(10-Piece Set (B))

Material: HSS (High Speed Steel) Flutes: 4 flutes with square edge Cutting Diameter: 1.5mm-12mm High cutting hardness: HRC30 Package include : 10pcs End mill (combination size) Options: 10-Piece Set (A), 10-Piece Set (B), 10-Piece Set (C) Suitable for: aluminum, cast iron, copper, magnesium alloy, plastics, wood, etc.

• Sharp blade: Adopt large center diameter design, improve edge strength and sharpness, enhance tool rigidity.
• Large Chip Removal Space: Arc edge cleaning and 45° spiral angle design, allow cutting chip to be removed in a timely manner, improve efficiency.
• Passive Handle: fine grinding, careful grinding to make the cutting edge burr-free, cutting smooth and durable.
• Selection of high quality materials: high quality tungsten steel rod with high hardness and strength. Wear resistance.