U-Series Ultra-FineMirco Grain Corner Radius End Mill 2Flute-4Flute Helix angle: 35° Upto: HRC55 Milddle to High Speed1. Utra-Fine Micrograin carbide rod: WC=90%, Co=10%, TRS>4000N/mm2; Hardness>92HRA, Grain size: 0.5-0.6um; High qulaity of wearability and impact 2. Made by world latest 5-AXIS tools grinding machine, promise the quality and precision of cutter. 3. Super TiAlN, reduce the coeffiction of friction, and improve the tools life much. 4. Each end mill is inspected by Zoller measuring and inspected machine. 5. We accept the specification as your requirement. 6. Work Piece: Carbon steel, alloy steel, cast steel, tooling steel, mould steel, heat-treament steel. Aluminum alloy steel, Non ferrous alloy order numbercuttingFluteShankCornerA.0.LdlDR CornerL1×3×4D×R0.2×50L×2F134R0.2501×3×4D×R0.3×50L×2F134R0.3501.5×3×4D×R0.2×50L×2F1.544R0.2501.5×3×4D×R0.3×50L×2F1.544R0.3502×6×4D×R0.2×50L×2F264R0.2502×6×4D×R0.3×50L×2F264R0.3502×6×4D×R0.5×50L×2F264R0.5502.5×8×4D×R0.2×50L×2F2.564R0.2502.5×8×4D×R0.5×50L×2F2.564R0.5503×8×3D×R0.3×50L×2F383R0.3503×8×3D×R0.5×50L×2F383R0.5503×8×4D×R0.3×50L×2F384R0.3503×8×4D×R0.5×50L×2F384R0.5504×10×4D×R0.5×50L×2F4104R0.5504×10×4D×R1.0×50L×2F4104R1.0504×10×6D×R0.5×50L×2F4106R0.5504×10×6D×R1.0×50L×2F4106R1.0505×13×6D×R0.5×50L×2F5136R0.5505×13×6D×R1.0×50L×2F5136R1.0506×15×6D×R0.5×50L×2F6156R0.5506×15×6D×R1.0×50L×2F6156R1.0508×20×8D×R0.5×50L×2F8208R0.5608×20×8D×R1.0×50L×2F8208R1.0608×20×8D×R1.5×50L×2F8208R1.56010×25×10D×R0.5×50L×2F102510R0.57510×25×10D×R1.0×50L×2F102510R1.07510×25×10D×R1.5×50L×2F102510R1.57510×25×10D×R2.0×50L×2F102510R2.07512×30×13D×R0.5×50L×2F123012R0.57512×30×13D×R1.0×50L×2F123012R1.07512×30×13D×R1.5×50L×2F123012R1.57512×30×13D×R2.0×50L×2F123012R2.075