Ougar8 R0.5 CNC Tungsten Carbide Cutter 2 Flutes Ball Nose End mill Endmills Cutter Spiral Milling Cutter TiAlN Coated Micrograin solid carbide HRC45 Router bits 1.Material: Tungsten carbide. Main for deep Slotting Milling 2.Coating witn TiAlN Can Cutting Harden materiel, 3 times Durable than Carbide. 3.2 Flutes; Cutter Radius:0.5; Shank diameter:4mm(0.16"); Overall length:50mm(1.97"). 4.For CNC,Engraving machine.Carbon steel,mould steel,alloy steel,inconel,stainless steel,titanium alloy etc 5.Package: 1x End Mill Cutter CNC Bit