Tapered Ball Nose End Mill 3.175mm Shank Carbide Wood Engraving Bit CNC Router Bit Milling Cutter R0.25/0.5/0.75/1.0 Features: 100% brand new and high quality. Type: Tapered Ball Nose End Mill Color: Silver Material: Tungsten Carbide Coating: TiAIN coated Radius: A(0.25mm), B(0.5mm), C(0.75mm), D(1.0mm) Shank: 3.175mm Cutting Length: 15mm Overall Length: 38mm HRC: 55 Flute: 2 Application: Aluminum, Hardwood,plastics, castings, copper, aluminum, titanium, nickel alloy, copper alloy, stainless steel mold, alloy steel, 45 steel Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 Tapered Ball Nose End Mill