{"product_id":"upcut-spiral-cnc-router-bits-1-8-shank-fine-detail","title":"Upcut Spiral CNC Router Bits, 1\/8 Shank for Fine Detail | SHARPRO","description":"\u003cdiv class=\"sharpro-product-body sharpro-product-body--spacious sharpro-product-body--desktop-adaptive\" data-sharpro-product-body style=\"width: 100%; color: #242724; font-size: 1rem; line-height: 1.6; text-align: left;\"\u003e\n\u003cdiv class=\"sharpro-overview\" data-sharpro-overview\u003e\n\u003csection class=\"sharpro-overview-section sharpro-overview-machine\" style=\"margin: 0 0 20px;\"\u003e\u003ch3 class=\"sharpro-overview-heading\" style=\"margin: 0 0 12px; font-size: 1.05em; font-weight: 700; line-height: 1.3;\"\u003eMACHINE FIT:\u003c\/h3\u003e\n\u003cul class=\"sharpro-overview-list sharpro-overview-machine-list\" style=\"margin: 0; padding-left: 26px;\"\u003e\u003cli class=\"sharpro-overview-machine-item\" style=\"margin: 0;\"\u003eCNC routers and rotary tools with a precise 1\/8-inch collet\u003c\/li\u003e\u003c\/ul\u003e\u003c\/section\u003e\u003cp class=\"sharpro-overview-intro\" style=\"margin: 0 0 22px; line-height: 1.6;\"\u003eUpcut flutes lift chips out of slots and pockets, helping reduce recutting and packed debris.\u003c\/p\u003e\n\u003csection class=\"sharpro-overview-section sharpro-overview-materials\" style=\"margin: 0 0 22px;\"\u003e\u003ch3 class=\"sharpro-overview-heading\" style=\"margin: 0 0 14px; font-size: 1.05em; font-weight: 700; line-height: 1.3;\"\u003eEXCELLENT FOR CUTTING:\u003c\/h3\u003e\n\u003cul class=\"sharpro-overview-list sharpro-overview-material-list\" style=\"margin: 0; padding-left: 26px;\"\u003e\n\u003cli class=\"sharpro-overview-material-item\" style=\"margin: 0 0 8px;\"\u003eWood\u003c\/li\u003e\n\u003cli class=\"sharpro-overview-material-item\" style=\"margin: 0 0 8px;\"\u003ePlywood\u003c\/li\u003e\n\u003cli class=\"sharpro-overview-material-item\" style=\"margin: 0 0 8px;\"\u003eMDF\u003c\/li\u003e\n\u003cli class=\"sharpro-overview-material-item\" style=\"margin: 0 0 8px;\"\u003ePlastics\u003c\/li\u003e\n\u003cli class=\"sharpro-overview-material-item\" style=\"margin: 0;\"\u003eInlay materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"sharpro-overview-section sharpro-overview-specs\" style=\"margin: 0 0 24px; padding-bottom: 22px; border-bottom: 1px solid #d8ddd9;\"\u003e\u003cp class=\"sharpro-overview-spec-copy\" style=\"margin: 0; line-height: 1.65;\"\u003e\u003cstrong\u003eTOOL SPECS:\u003c\/strong\u003e Upcut Spiral CNC Router Bits, 1\/8 Shank for Fine Detail. Dimensions are listed as shank \/ cutting diameter \/ cutting length \/ overall length: 1\/8 \/ 1\/8 \/ 1 \/ 2-1\/4.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e\n\u003csection class=\"sharpro-benefits-preview\" aria-labelledby=\"sharpro-benefits-preview-heading\"\u003e\u003ch3 id=\"sharpro-benefits-preview-heading\" class=\"sharpro-overview-heading\" style=\"margin: 0 0 14px; font-size: 1.05em; font-weight: 700; line-height: 1.3;\"\u003eWHY THIS TOOL:\u003c\/h3\u003e\n\u003cdiv class=\"sharpro-value-list\" aria-label=\"Product benefits\" style=\"display: grid; gap: 10px; margin: 0;\"\u003e\n\u003cdiv class=\"sharpro-value-item\"\u003e\n\u003cbutton class=\"sharpro-value-trigger\" type=\"button\" style=\"width: 100%; display: block; text-align: left; background: #f3f3f3; border: 1px solid #a4a4a4; border-radius: 2px; padding: 14px 16px; margin: 0; color: #111111; font: inherit; line-height: 1.55; cursor: pointer;\" data-sharpro-benefit-trigger aria-haspopup=\"dialog\" aria-controls=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-1\"\u003e\u003cspan class=\"sharpro-value-number\" aria-hidden=\"true\"\u003e1.\u003c\/span\u003e\u003cspan class=\"sharpro-value-copy\"\u003e\u003cstrong\u003eClear Chips from Deep Toolpaths:\u003c\/strong\u003e \u003cspan\u003eUpcut flutes lift chips out of slots and pockets, helping reduce recutting and packed debris.\u003c\/span\u003e\u003c\/span\u003e\u003c\/button\u003e\u003cdiv id=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-1\" class=\"sharpro-value-detail\" data-sharpro-benefit-detail hidden\u003e\n\u003ch3\u003eClear Chips from Deep Toolpaths\u003c\/h3\u003e\n\u003cp class=\"sharpro-value-detail__lead\"\u003eUpcut flutes lift chips out of slots and pockets, helping reduce recutting and packed debris.\u003c\/p\u003e\n\u003ch4\u003eWhy it helps\u003c\/h4\u003e\n\u003cp\u003eThe helical channel moves chips upward toward the open surface while the tool advances.\u003c\/p\u003e\n\u003ch4\u003eHow the tool supports it\u003c\/h4\u003e\n\u003cp\u003eSHARPRO grinds the flute and sharp edge from virgin solid carbide rod to create a continuous chip path from tip to flute.\u003c\/p\u003e\n\u003ch4\u003eSetup check\u003c\/h4\u003e\n\u003cp\u003eUse the first cut to confirm chips are leaving the slot and not turning into dust from rubbing.\u003c\/p\u003e\n\u003ch4\u003eOperating limit\u003c\/h4\u003e\n\u003cp\u003eTop-face fibers or laminates can lift; choose downcut or compression geometry when the visible top face is the priority.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sharpro-value-item\"\u003e\n\u003cbutton class=\"sharpro-value-trigger\" type=\"button\" style=\"width: 100%; display: block; text-align: left; background: #f3f3f3; border: 1px solid #a4a4a4; border-radius: 2px; padding: 14px 16px; margin: 0; color: #111111; font: inherit; line-height: 1.55; cursor: pointer;\" data-sharpro-benefit-trigger aria-haspopup=\"dialog\" aria-controls=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-2\"\u003e\u003cspan class=\"sharpro-value-number\" aria-hidden=\"true\"\u003e2.\u003c\/span\u003e\u003cspan class=\"sharpro-value-copy\"\u003e\u003cstrong\u003eLower the Risk of Heat from Recutting:\u003c\/strong\u003e \u003cspan\u003eRemoving chips promptly helps keep previously cut material from being crushed repeatedly against the cutting edge.\u003c\/span\u003e\u003c\/span\u003e\u003c\/button\u003e\u003cdiv id=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-2\" class=\"sharpro-value-detail\" data-sharpro-benefit-detail hidden\u003e\n\u003ch3\u003eLower the Risk of Heat from Recutting\u003c\/h3\u003e\n\u003cp class=\"sharpro-value-detail__lead\"\u003eRemoving chips promptly helps keep previously cut material from being crushed repeatedly against the cutting edge.\u003c\/p\u003e\n\u003ch4\u003eWhy it helps\u003c\/h4\u003e\n\u003cp\u003eClear flute space reduces chip recirculation, one source of unnecessary friction and heat.\u003c\/p\u003e\n\u003ch4\u003eHow the tool supports it\u003c\/h4\u003e\n\u003cp\u003eThe application-matched helix and polished cutting path support chip movement rather than trapping debris.\u003c\/p\u003e\n\u003ch4\u003eSetup check\u003c\/h4\u003e\n\u003cp\u003eMonitor chip shape, edge buildup and cutting sound, then adjust the setup before continuing.\u003c\/p\u003e\n\u003ch4\u003eOperating limit\u003c\/h4\u003e\n\u003cp\u003eChip evacuation cannot compensate for unsuitable feed, excessive RPM, poor dust extraction or an overloaded flute.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sharpro-value-item\"\u003e\n\u003cbutton class=\"sharpro-value-trigger\" type=\"button\" style=\"width: 100%; display: block; text-align: left; background: #f3f3f3; border: 1px solid #a4a4a4; border-radius: 2px; padding: 14px 16px; margin: 0; color: #111111; font: inherit; line-height: 1.55; cursor: pointer;\" data-sharpro-benefit-trigger aria-haspopup=\"dialog\" aria-controls=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-3\"\u003e\u003cspan class=\"sharpro-value-number\" aria-hidden=\"true\"\u003e3.\u003c\/span\u003e\u003cspan class=\"sharpro-value-copy\"\u003e\u003cstrong\u003eChoose a Size for the Actual Detail:\u003c\/strong\u003e \u003cspan\u003eMultiple diameters and cutting lengths let the user balance feature size, reach and tool stiffness.\u003c\/span\u003e\u003c\/span\u003e\u003c\/button\u003e\u003cdiv id=\"sharpro-benefit-upcut-spiral-cnc-router-bits-1-8-shank-fine-detail-3\" class=\"sharpro-value-detail\" data-sharpro-benefit-detail hidden\u003e\n\u003ch3\u003eChoose a Size for the Actual Detail\u003c\/h3\u003e\n\u003cp class=\"sharpro-value-detail__lead\"\u003eMultiple diameters and cutting lengths let the user balance feature size, reach and tool stiffness.\u003c\/p\u003e\n\u003ch4\u003eWhy it helps\u003c\/h4\u003e\n\u003cp\u003eShorter, larger tools are generally more rigid; finer tools reach smaller details but require lighter cutting loads and lower runout.\u003c\/p\u003e\n\u003ch4\u003eHow the tool supports it\u003c\/h4\u003e\n\u003cp\u003eSHARPRO offers the geometry across the listed variants while keeping the shank and cutting dimensions explicit in the selector.\u003c\/p\u003e\n\u003ch4\u003eSetup check\u003c\/h4\u003e\n\u003cp\u003eConfirm shank, cutting diameter, cutting length and overall length against the drawing and collet before ordering.\u003c\/p\u003e\n\u003ch4\u003eOperating limit\u003c\/h4\u003e\n\u003cp\u003eUse only the reach required by the part; unnecessary stickout increases deflection and breakage risk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"SHARPRO","offers":[{"title":"1 \/ 1\/8 \/ 1\/8 \/ 1 \/ 2-1\/4","offer_id":45342023188503,"sku":"SPWS2LX181214","price":15.99,"currency_code":"CNY","in_stock":true},{"title":"3 \/ 1\/8 \/ 1\/8 \/ 1 \/ 2-1\/4","offer_id":45342023221271,"sku":"SPWB32LX181214","price":34.99,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/2994\/1783\/files\/5.png?v=1785066190","url":"https:\/\/www.sharpro.biz\/products\/upcut-spiral-cnc-router-bits-1-8-shank-fine-detail","provider":"SHARPRO-Ultra","version":"1.0","type":"link"}