Ougar8 HRC55 6mmR0.550mm 4 Flutes CNC Tungsten Carbide Cutting Endmills Shank Corner Radius End Mill Steel Spiral Bit deep Slotting Milling Cutter TiAlN Coated Bits Micrograin solid Tools 1.Material: Tungsten carbide. Main for deep Slotting Milling 2.TiAlN Coated Micrograin Carbide Of Hardness HRA92 HRC55 3.4 FluteS; Shank/Cutter:6mm(0.236"); Cutter Radius:0.5; Overall length:50mm(1.97"). 4.For CNC,Engraving.Carbon steel,mould steel,alloy steel,inconel,stainless steel,titanium alloy etc 5.Package: 1x End Mill Cutter CNC Bit