BFL - 4 Flutes Carbide Ball Nose Cutting Tool We can produce all kinds of end mill milling cutter. Ball-nose end mill R0.5-R12.5mm, 2/4FlutesHelix angle: 30° (35° ; 45° Option) Up to: HRC65 High SpeedMain Features & Benifits: 1. Super-Fine Micrograin carbide rod:WC=87.5%, Co=12.5%, TRS>4200N/mm2; Hardness>92.4HRA, Grain size: 0.5um; High qulaity of wearability and impact2. Made by world latest 5-AXIS tools grinding machine,guaranteeing the high performance and precision of milling cutters 3. Super TiAlN coating, reducesthe coeffiction of friction, andincreases the tools life much.4. Each end mill is inspected by Zoller measuring and inspecting machine.5. Workpiece: Copper, Carbon steel, alloy steel, cast steel, tooling steel, mould steel, heat-treament steel, Aluminum alloy, Non-ferrous alloy etc. Custom-tailor non-standard end mill. If you're interested in our products, please send drawing, specification or detailed size to us. We will try our best to offer your best service. Here are specification for standard size ball nose end mills. If you are interested in our products, please contact us at any time. Order No.R diameter(d)Flute length(l)Shank diameter(D)Overalllength (L)R0.5×2×4D×50LR0.52450R0.75×3×4D×50LR0.753450R1.0×4×4D×50LR1.04450R1.25×5×4D×50LR1.255450R1.5×6×4D×50LR1.56450R1.75×7×4D×50LR1.757450R2.0×8×4D×50LR2.08450R2.25×9×6D×50LR2.259650R2.5×10×6D×50LR2.510650R2.75×11×6D×50LR2.7511650R3.0×12×6D×50LR3.012650R3.25×12×8D×60LR3.2512860R3.5×12×8D×60LR3.512860R3.75×12×8D×60LR3.7512860R4.0×16×8D×60LR4.016860R4.0×16×8D×75LR4.016875R4.5×18×10D×75LR4.5181075R5.0×20×10D×75LR5.0201075R6.0×24×12D×75LR6.0241275R8.0×32×16D×75LR8.03216100R10.0×32×20D×100LR10.03220100R12.5×35×25D×150LR12.53525150