Description:  R0.5-R3 2 Flutes Tungsten Carbide End Mill HRC65 NACO Coated Ball Nose Milling Cutter CNC Tool    Specification:  Material: Carbide (tungsten steel).  Coating: NACO-blue Coated.  Sizes: R0.5/ R0.75 /R1 /R1.5 /R2 /R3.  Flute: 2 Flutes.  Head Shape: Ball Nose.  Highest cutting hardness: HRC65.  Type: Radiu of Nose Head x Diameter of Head x Diameter of Shank x Blade Length x Total Length.  R0.5x4x50mm: 0.5 x 1 x 4 x 3 x 50mm.  R0.75x4x50mm: 0.75 x 1.5 x 4 x 4 x 50mm.  R1x4x50mm: 1 x 2 x 4 x 5 x 50mm.  R1.5x4x50mm: 1.5 x 3 x 4 x 8 x 50mm.  R2x4x50mm: 2 x 4 x 4 x 10 x 50mm.  R3x6x50mm: 3 x 6 x 6 x 14 x 50mm.  Quantity: 1pc.     Features:  - Durable and practical.  - Highest harness could reach HRC65 for general steel alloy steel mold steel.  - Two flutes design provides small chip loads and quicker removal.  - Round nose design, negative angle design, higher precision.  - Suitable for DIY, Home and General Building / Engineering Using.     Package Included:  1pc x 2 Flutes Ball Nose End Mill Cutter.     Notice:  1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.  2. The color may have different as the difference display, pls understand.