{"product_id":"single-flute-carbide-end-mill-acrylic-plastic-aluminum","title":"Single-Flute Carbide Spiral End Mill for Acrylic, Plastic \u0026 Aluminum","description":"\u003cp\u003e\u003cstrong\u003eBB Tool Single-Flute Carbide Spiral End Mill\u003c\/strong\u003e is a CNC router bit for machining materials where chip clearance and heat control are important. The open single-flute geometry provides a large chip channel, making it a practical choice for acrylic, plastic, PVC, MDF and aluminum routing.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H9b15c1f85d49407bbb2ef5ac9d0dd24ey.jpg\" alt=\"BB Tool single-edge spiral milling cutters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy Choose a Single Flute?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge flute space helps evacuate chips from narrow cuts.\u003c\/li\u003e\n\u003cli\u003eLower tooth count provides more feed per tooth at common router spindle speeds.\u003c\/li\u003e\n\u003cli\u003eUseful for routing sheet materials, profiles, slots and engraved features.\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction with multiple cutting diameters and lengths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H526658f548be483b8d3dfdf7666cbd3bd.jpg\" alt=\"Single-flute cutter construction and 25-degree helix illustration\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hcb97a55180bc4cfc93ccb1f14c0dab07S.jpg\" alt=\"Single-flute carbide cutter grinding and chip-groove details\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eMachine and Material Reference\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H76dd342acd714b13949ac25591eeb9fc3.jpg\" alt=\"Compatible CNC router and engraving machine examples\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H6cbb09163fb04535bd7f3b77a463e091c.jpg\" alt=\"Material application reference for single-flute spiral cutters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eHow to Read the Size\u003c\/h3\u003e\n\u003cp\u003eUse the dimension image and variant name to confirm all four values:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eD1:\u003c\/strong\u003e cutting diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1:\u003c\/strong\u003e cutting-edge length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eD2:\u003c\/strong\u003e shank diameter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL2:\u003c\/strong\u003e overall length\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H8e8c8105ab614fb0b8ac1b3fb1ff3123u.jpg\" alt=\"Single-flute end mill dimensions and size chart\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eVariant Selection\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eChoose the cutting diameter for the slot width or feature size.\u003c\/li\u003e\n\u003cli\u003eConfirm the shank diameter fits the collet.\u003c\/li\u003e\n\u003cli\u003eSelect enough cutting length for the material thickness.\u003c\/li\u003e\n\u003cli\u003eUse the shortest practical overall length to improve rigidity.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hf27fe66394fb42c98d14f63998c0ac24L.jpg\" alt=\"Single-flute carbide end mill product photos\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae04.alicdn.com\/kf\/Hdd1391f6aaac46e4810fba8ea78e65c8n.jpg\" alt=\"Single-flute spiral end mills and surface-finish illustration\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eMachining Note\u003c\/h3\u003e\n\u003cp\u003eChip evacuation is essential when routing acrylic and other heat-sensitive materials. Use suitable spindle speed, feed, air blast or chip extraction for the selected diameter and setup. Avoid recutting trapped chips.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hf028fb9b25bf4c46a9e41739b163ac24f.jpg\" alt=\"Common cutting problems including breakage burrs and dull edges\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch3\u003eExisting Product FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H8f80e548dc3447cdb5b1dc94a3cd5213P.jpg\" alt=\"Single-flute spiral end mill application FAQ\" loading=\"lazy\"\u003e\u003c\/p\u003e","brand":"BB 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