{"product_id":"r8-shank-arbor-1-1-2x18tpi-100mm-fly-cutter-50mm-boring-head","title":"R8 Shank Arbor 1-1\/2\" x 18 TPI Threaded Nose with 7\/16\"-20 UNF Drawbar | For 100mm Fly Cutter \u0026 50mm Boring Head | Bluefox Tools  | DE","description":"\u003ch3 data-section-id=\"ydtkvn\" data-start=\"180\" data-end=\"238\" class=\"PDq2pG_selectionAnchorContainer\"\u003eR8 Shank Arbor for 100mm Fly Cutter \u0026amp; 50mm Boring Head\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"240\" data-end=\"638\"\u003eThe \u003cstrong data-start=\"244\" data-end=\"276\"\u003eBluefox Tools R8 Shank Arbor\u003c\/strong\u003e is a precision-engineered milling arbor designed for mounting \u003cstrong data-start=\"339\" data-end=\"360\"\u003e100mm fly cutters\u003c\/strong\u003e and \u003cstrong data-start=\"365\" data-end=\"391\"\u003e50mm (2\") boring heads\u003c\/strong\u003e on milling machines equipped with a standard \u003cstrong data-start=\"437\" data-end=\"451\"\u003eR8 spindle\u003c\/strong\u003e. Manufactured from \u003cstrong data-start=\"471\" data-end=\"499\"\u003eheat-treated alloy steel\u003c\/strong\u003e and precision ground for maximum concentricity, this arbor delivers exceptional rigidity, low runout, and smooth vibration-free machining.\u003c\/p\u003e\n\u003cp data-start=\"640\" data-end=\"963\"\u003eFeaturing a \u003cstrong data-start=\"652\" data-end=\"690\"\u003e1-1\/2\" × 18 TPI male threaded nose\u003c\/strong\u003e, the arbor securely fits fly cutters and boring heads with the corresponding internal thread. The standard \u003cstrong data-start=\"798\" data-end=\"829\"\u003e7\/16\"-20 UNF drawbar thread\u003c\/strong\u003e provides secure spindle retention, ensuring excellent stability and accuracy during demanding milling, facing, and boring operations.\u003c\/p\u003e\n\u003cp data-start=\"965\" data-end=\"1306\"\u003eThe hardened and precision-ground R8 shank ensures an accurate spindle fit, while the \u003cstrong data-start=\"1051\" data-end=\"1083\"\u003eblack oxide\/phosphate finish\u003c\/strong\u003e protects against corrosion and workshop wear. Ideal for professional machinists, tool rooms, manufacturing facilities, and engineering workshops, this arbor offers reliable performance for precision machining applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"19zqy0x\" data-start=\"1308\" data-end=\"1320\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"1321\" data-end=\"1843\"\u003e\n\u003cli data-section-id=\"1ebm3ta\" data-start=\"1321\" data-end=\"1368\"\u003ePrecision R8 shank arbor for milling machines\u003c\/li\u003e\n\u003cli data-section-id=\"snk98n\" data-start=\"1369\" data-end=\"1439\"\u003eCompatible with \u003cstrong data-start=\"1387\" data-end=\"1408\"\u003e100mm fly cutters\u003c\/strong\u003e and \u003cstrong data-start=\"1413\" data-end=\"1439\"\u003e50mm (2\") boring heads\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3ji61b\" data-start=\"1440\" data-end=\"1489\"\u003eStandard \u003cstrong data-start=\"1451\" data-end=\"1489\"\u003e1-1\/2\" × 18 TPI male threaded nose\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13ky8ll\" data-start=\"1490\" data-end=\"1552\"\u003e\n\u003cstrong data-start=\"1492\" data-end=\"1523\"\u003e7\/16\"-20 UNF drawbar thread\u003c\/strong\u003e for secure spindle retention\u003c\/li\u003e\n\u003cli data-section-id=\"103l7q6\" data-start=\"1553\" data-end=\"1608\"\u003ePrecision-ground R8 shank for excellent concentricity\u003c\/li\u003e\n\u003cli data-section-id=\"k6hf7a\" data-start=\"1609\" data-end=\"1644\"\u003eLow runout for accurate machining\u003c\/li\u003e\n\u003cli data-section-id=\"ypmg7f\" data-start=\"1645\" data-end=\"1684\"\u003eHeat-treated alloy steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"1bgdjxc\" data-start=\"1685\" data-end=\"1740\"\u003eBlack oxide\/phosphate finish for corrosion resistance\u003c\/li\u003e\n\u003cli data-section-id=\"134b85n\" data-start=\"1741\" data-end=\"1787\"\u003eHigh rigidity and vibration-free performance\u003c\/li\u003e\n\u003cli data-section-id=\"1jiywir\" data-start=\"1788\" data-end=\"1843\"\u003eSuitable for professional workshop and industrial use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"1845\" data-end=\"1863\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"1864\" data-end=\"2234\"\u003e\n\u003cli data-section-id=\"hq7bkd\" data-start=\"1864\" data-end=\"1890\"\u003e\n\u003cstrong data-start=\"1866\" data-end=\"1876\"\u003eBrand:\u003c\/strong\u003e Bluefox Tools\u003c\/li\u003e\n\u003cli data-section-id=\"1287l88\" data-start=\"1891\" data-end=\"1925\"\u003e\n\u003cstrong data-start=\"1893\" data-end=\"1910\"\u003eProduct Type:\u003c\/strong\u003e R8 Shank Arbor\u003c\/li\u003e\n\u003cli data-section-id=\"13cd3q7\" data-start=\"1926\" data-end=\"1957\"\u003e\n\u003cstrong data-start=\"1928\" data-end=\"1954\"\u003eSpindle Compatibility:\u003c\/strong\u003e R8\u003c\/li\u003e\n\u003cli data-section-id=\"10eltfz\" data-start=\"1958\" data-end=\"2001\"\u003e\n\u003cstrong data-start=\"1960\" data-end=\"1978\"\u003eThreaded Nose:\u003c\/strong\u003e 1-1\/2\" × 18 TPI (Male)\u003c\/li\u003e\n\u003cli data-section-id=\"kebchu\" data-start=\"2002\" data-end=\"2036\"\u003e\n\u003cstrong data-start=\"2004\" data-end=\"2023\"\u003eDrawbar Thread:\u003c\/strong\u003e 7\/16\"-20 UNF\u003c\/li\u003e\n\u003cli data-section-id=\"1f93lef\" data-start=\"2037\" data-end=\"2071\"\u003e\n\u003cstrong data-start=\"2039\" data-end=\"2065\"\u003eCompatible Fly Cutter:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli data-section-id=\"mcf9dj\" data-start=\"2072\" data-end=\"2111\"\u003e\n\u003cstrong data-start=\"2074\" data-end=\"2101\"\u003eCompatible Boring Head:\u003c\/strong\u003e 50mm (2\")\u003c\/li\u003e\n\u003cli data-section-id=\"1wt1i9z\" data-start=\"2112\" data-end=\"2152\"\u003e\n\u003cstrong data-start=\"2114\" data-end=\"2127\"\u003eMaterial:\u003c\/strong\u003e Heat-Treated Alloy Steel\u003c\/li\u003e\n\u003cli data-section-id=\"1f3wq1m\" data-start=\"2153\" data-end=\"2190\"\u003e\n\u003cstrong data-start=\"2155\" data-end=\"2166\"\u003eFinish:\u003c\/strong\u003e Black Oxide \/ Phosphate\u003c\/li\u003e\n\u003cli data-section-id=\"1xkrk9p\" data-start=\"2191\" data-end=\"2234\"\u003e\n\u003cstrong data-start=\"2193\" data-end=\"2209\"\u003eApplication:\u003c\/strong\u003e Milling, Facing \u0026amp; 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