SpeTool Ball Nose Tapered End Mill 1/4 inch Shank with 3mm Diamter (1.5mm Radius) Ball CNC Engraving Bits 3.02Deg HRC55 TiAlN Coated for 3D and 2D Wood Acrylic Carving;

Shank Diameter: 1/4inch

Material: Solid Tungsten Carbide

Coating: TiAIN

Overall Length: 3inch

Worked Material Hardness: HRC55

Flutes: 2 Flutes

Flutes length: 1-1/4inch

Radius: 1.5mm

Single Side Angel: 3.9Deg

Suitable Materials: stainless-steel, cast iron, Cu, Al, hard wood

Package Include: 1 Pc End Mill