20 Mm Carbide Ballnose 55 HRC 2 Flutes ,Shank 20 MM Flute Length 60 Mm Total Length Is 100/150 Mm

Solid Carbide cutters are used to machine Hard and tough Materials, Steel, Alloy Steel, Cast iron, stainless steel, and many other material grades. 

Bronze TiSiN Coating, Endmill for Better Life, and wear resistance.
35 Degree Helix Angel, Grain Size 0.5μm
Used for Face Mill, Shoulder mill, side mill, etc. Plastic Packaging for non-breakable packing

The flute Length of Ballnose is double of diameter if the diameter is 1 mm flute length will be 2 mm same for other sizes if the total length increase flute length remains the same as the double diameter.