{"product_id":"beyond-sp-c40-3d-sd39-5-sp11-u-drill-39-5mm","title":"BEYOND SP C40-3D-SD39.5-SP11 Indexable U-Drill Body | 39.5mm 3D CNC Boring Drill","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto; border: 1px solid #e0e0e0; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 50px 25px; text-align: center;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 28px; letter-spacing: 1.2px; color: #ffffff;\"\u003e\u003cspan style=\"color: rgb(243, 231, 231);\"\u003eBEYOND SP C40-3D-SD39.5-SP11\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px; opacity: 0.9; color: #ffffff;\"\u003e39.5mm 3D Indexable U-Drill | The Blind Hole Machining Expert\u003c\/p\u003e\n\u003cdiv style=\"display: inline-block; background: rgba(255,255,255,0.15); padding: 10px 20px; margin-top: 20px; font-size: 14px; border-radius: 5px; border: 1px solid #ffffff; color: #ffffff;\"\u003e⚠️ IMPORTANT: Listing is for Drill Body ONLY. Carbide inserts (SPMG11) sold separately.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 10px;\"\u003eHigh-Precision 39.5mm CNC Boring Solution\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND SP C40-3D-SD39.5-SP11\u003c\/strong\u003e is an industrial-grade \u003cstrong\u003eindexable insert drill\u003c\/strong\u003e designed for heavy-duty \u003cstrong\u003elarge diameter boring\u003c\/strong\u003e. With a \u003cstrong\u003e39.5mm cutting diameter\u003c\/strong\u003e and a \u003cstrong\u003e3D depth ratio\u003c\/strong\u003e (118.5mm reach), this tool excels in \u003cstrong\u003eblind hole machining\u003c\/strong\u003e where a flat bottom and high wall accuracy are required. Engineered for the modern CNC shop, it features integrated \u003cstrong\u003einternal cooling\u003c\/strong\u003e to handle the heat of deep-hole production.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f8f9fa; padding: 30px; margin: 0 20px; border-radius: 10px; border-left: 6px solid #47479F;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center; margin-top: 0;\"\u003eModel Breakdown: SP C40-3D-SD39.5-SP11\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 20px; text-align: center;\"\u003e\n\u003cdiv style=\"background: white; border: 1px solid #47479F; padding: 15px; width: 135px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\"\u003e\n\u003cstrong style=\"color: #47479f; display: block;\"\u003eSP\u003c\/strong\u003e Square Insert (SPMG)\u003c\/div\u003e\n\u003cdiv style=\"background: white; border: 1px solid #47479F; padding: 15px; width: 135px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\"\u003e\n\u003cstrong style=\"color: #47479f; display: block;\"\u003eC40\u003c\/strong\u003e 40mm Shank Dia.\u003c\/div\u003e\n\u003cdiv style=\"background: white; border: 1px solid #47479F; padding: 15px; width: 135px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\"\u003e\n\u003cstrong style=\"color: #47479f; display: block;\"\u003e3D\u003c\/strong\u003e 3x Diameter Depth\u003c\/div\u003e\n\u003cdiv style=\"background: white; border: 1px solid #47479F; padding: 15px; width: 135px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\"\u003e\n\u003cstrong style=\"color: #47479f; display: block;\"\u003eSD39.5\u003c\/strong\u003e 39.5mm Drill Dia.\u003c\/div\u003e\n\u003cdiv style=\"background: white; border: 1px solid #47479F; padding: 15px; width: 135px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.05);\"\u003e\n\u003cstrong style=\"color: #47479f; display: block;\"\u003eSP11\u003c\/strong\u003e Fits SPMG11 Inserts\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eTechnical Specifications: Metric vs. Imperial\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #ffffff;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #ffffff;\"\u003eMetric (mm)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left; color: #ffffff;\"\u003eImperial (Inch)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDrilling Diameter (SD)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e39.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.555\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eShank Diameter (C)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e40.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.575\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMax Depth (3D)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e118.5 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4.665\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eEquivalent Model\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; text-align: center;\" colspan=\"2\"\u003eSP-C1.575-3D-SD1.555-SP11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px; background-color: #fcfcfc;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003ePremium 20CrMnTi Construction \u0026amp; Chip Flow\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAnti-Vibration Body:\u003c\/strong\u003e Built from high-strength \u003cstrong\u003e20CrMnTi alloy steel\u003c\/strong\u003e and quenched to HRC 52-55, this tool body provides the rigid foundation needed for \u003cstrong\u003elarge diameter drilling\u003c\/strong\u003e without chatter. The Black Oxide finish prevents surface galling and extends tool life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Chip Flutes:\u003c\/strong\u003e The wide-opening \u003cstrong\u003espiral flute\u003c\/strong\u003e design, paired with \u003cstrong\u003edual internal cooling holes\u003c\/strong\u003e, creates a high-velocity \"flush\" effect. This ensures that chips are discharged immediately from the 39.5mm bore, preventing insert breakage caused by chip recutting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 35px; margin: 25px; border-radius: 12px;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #ffffff;\"\u003eRecommended Cutting Parameters (39.5mm)\u003c\/h3\u003e\n\u003cp style=\"color: #ffffff;\"\u003eFor Carbon Steel \u0026amp; Alloy Steel production. Use this formula for RPM settings:\u003c\/p\u003e\n\u003cdiv style=\"background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px; margin: 20px 0; border: 1px dashed #ffffff;\"\u003e\n\u003cp style=\"margin: 0; font-family: monospace; font-size: 18px; text-align: center; color: #ffffff;\"\u003e\u003cstrong\u003eRotation Speed (N) = (Vc × 1000) \/ (π × 39.5)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0 0; font-size: 14px; text-align: center; color: #ffffff; opacity: 0.8;\"\u003eVc = Cutting Speed | π ≈ 3.14 | D = 39.5mm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul style=\"list-style-type: square; line-height: 1.8; color: #ffffff;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Speed (Vc):\u003c\/strong\u003e 110 - 180 m\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Rate (f):\u003c\/strong\u003e 0.08 - 0.16 mm\/rev\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Strategy:\u003c\/strong\u003e Continuous high-pressure \u003cstrong\u003einternal cooling\u003c\/strong\u003e is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin: 40px 0;\"\u003e\n\u003cp\u003eMaximize rigidity with a dedicated C40 side-lock holder:\u003c\/p\u003e\n\u003ca style=\"background-color: #47479f; color: #ffffff; padding: 18px 40px; text-decoration: none; border-radius: 50px; font-weight: bold; font-size: 18px; box-shadow: 0 4px 15px rgba(71,71,159,0.3); display: inline-block;\" href=\"https:\/\/cnchome-beyond.com\/search?type=product\u0026amp;options%5Bunavailable_products%5D=last\u0026amp;options%5Bprefix%5D=last\u0026amp;q=spmg\" target=\"_blank\" rel=\"noopener\"\u003eVIEW COMPATIBLE TOOL HOLDERS\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px; background-color: #f8f9fa;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center;\"\u003eGlobal Customer Testimonials\u003c\/h3\u003e\n\u003cdiv style=\"grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; display: grid;\"\u003e\n\u003cdiv style=\"background: white; padding: 15px; border-radius: 8px; border: 1px solid #ddd; font-size: 13px;\"\u003e\n\u003cspan style=\"color: #f39c12;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Top Tier 39.5mm Body\"\u003c\/strong\u003e\u003cbr\u003e\"Perfect for our blind hole requirements. The tool body doesn't flex, which keeps the hole perfectly straight.\" \u003cbr\u003e\u003cem\u003e- Robert H. (Germany)\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: white; padding: 15px; border-radius: 8px; border: 1px solid #ddd; font-size: 13px;\"\u003e\n\u003cspan style=\"color: #f39c12;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Impressive Flow\"\u003c\/strong\u003e\u003cbr\u003e\"Internal coolant is powerful. Even at 3D depth, the chips come out fast and clean.\" \u003cbr\u003e\u003cem\u003e- Marek W. (Poland)\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: white; padding: 15px; border-radius: 8px; border: 1px solid #ddd; font-size: 13px;\"\u003e\n\u003cspan style=\"color: #f39c12;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\"Using BEYOND for 6 months. Best price-to-performance for indexable drills.\"\u003cbr\u003e\u003cem\u003e- Pedro S. (Brazil)\u003c\/em\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: white; padding: 15px; border-radius: 8px; border: 1px solid #ddd; font-size: 13px;\"\u003e\n\u003cspan style=\"color: #f39c12;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\"Solid industrial tool. Arrived in London in less than 10 days.\"\u003cbr\u003e\u003cem\u003e- Arthur L. (UK)\u003c\/em\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eSP Series Performance Profile\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; gap: 20px; flex-wrap: wrap;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #f1f1ff; padding: 20px; border-radius: 8px; border-top: 4px solid #47479F;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003ePros:\u003c\/strong\u003e\n\u003cul style=\"font-size: 14px; padding-left: 20px; margin-top: 10px;\"\u003e\n\u003cli\u003e4 cutting edges per insert for cost efficiency.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003eBlind Hole Machining\u003c\/strong\u003e (Flatter bottom profile).\u003c\/li\u003e\n\u003cli\u003eHigh core rigidity for large diameter boring torque.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff1f1; padding: 20px; border-radius: 8px; border-top: 4px solid #cc0000;\"\u003e\n\u003cstrong style=\"color: #cc0000;\"\u003eCons:\u003c\/strong\u003e\n\u003cul style=\"font-size: 14px; padding-left: 20px; margin-top: 10px;\"\u003e\n\u003cli\u003eRequires high horsepower CNC machines for 39.5mm.\u003c\/li\u003e\n\u003cli\u003ePerformance drops if internal coolant pressure is inconsistent.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 35px;\"\u003e\n\u003ch3 style=\"color: #47479f; text-align: center;\"\u003eTechnical Q\u0026amp;A\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why use SP for blind holes instead of WC?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eSP U-drill\u003c\/strong\u003e uses square inserts which produce a flatter hole bottom. WC (Trigon) drills are better for through holes but leave a conical shape at the bottom of blind bores.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What inserts should I use with this?\u003c\/strong\u003e\u003cbr\u003eA: This body is precision-machined for \u003cstrong\u003eSPMG110408\u003c\/strong\u003e inserts. We recommend BEYOND series inserts for the most rigid fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 30px; margin: 25px; border-radius: 12px; font-size: 14px;\"\u003e\n\u003ch4 style=\"margin-top: 0; color: #ffffff;\"\u003eQuick Tip: SP vs. WC for 39.5mm Holes\u003c\/h4\u003e\n\u003cp style=\"color: #ffffff;\"\u003eChoose \u003cstrong\u003eSP Series\u003c\/strong\u003e for precision \u003cstrong\u003eBlind Bores\u003c\/strong\u003e where bottom flatness is critical. The square insert design provides the highest core strength for heavy production boring. Choose \u003cstrong\u003eWC Series\u003c\/strong\u003e for rapid \u003cstrong\u003eThrough Hole\u003c\/strong\u003e drilling where cutting edge count is more important than hole bottom geometry.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 20px; font-size: 12px; color: #999;\"\u003eBrand: BEYOND | 39.5mm 3D CNC Specialist | Made in China\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43570536087724,"sku":"SP C40-3D-SD39.5-SP11","price":63.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_SP_C40-3D-SD39.5-SP11_39.5mm_indexable_U-drill_body_with_optimized_spiral_flute_and_dual_internal_coolant_holes_for_3D_CNC_machining.jpg?v=1772975029","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sp-c40-3d-sd39-5-sp11-u-drill-39-5mm","provider":"CNCHome-Beyond","version":"1.0","type":"link"}