: Material : Carbide Number of Flutes : 2 Flute Cutting Diameter : 3.175 mm -LRB- 1/8 '' -RRB- Shank Diameter : 3.175 mm -LRB- 1/8 '' -RRB- Cutting Edge Length -LRB- Flute Length -RRB- : 22 mm sum Length : 38 mm Quantity : 1 box / 10pcs Features : High-density urbane, wear-resistant, intoxicated temperature. intoxicated cost-efficient, efficiency. Mainly in cutting and engraving. Can be engraved, Aluminum, ABS, Acrylic, PVC, Nylon, Resin, most plastics ect.. Tips : Lower the cutter grasper as right as possble. to move slowly and accelerate gradually, but the move should not be too dissolute. If the chuck works with vibration, the feeding speed to check if there is something ill timed with chuck or fixture. : Please allow a bit hand measuring errors of 0-2mm. Package : 10 x Ball Nose End Mills .