{"product_id":"beyond-sp-c40-3d-sd39-sp11-indexable-u-drill-39mm","title":"BEYOND SP C40-3D-SD39-SP11 Indexable U-Drill Body | 39mm 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(246, 244, 243);\"\u003eBEYOND SP C40-3D-SD39-SP11\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px; opacity: 0.9; color: #ffffff;\"\u003e39mm 3D Heavy-Duty U-Drill | High-Rigidity Blind Hole Specialist\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⚠️ NOTICE: This listing is for the Drill Body ONLY. Carbide inserts (SPMG11) are NOT included.\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;\"\u003eIndustrial-Grade 39mm Indexable Boring Solution\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND SP C40-3D-SD39-SP11\u003c\/strong\u003e is a professional \u003cstrong\u003eindexable insert drill\u003c\/strong\u003e designed for high-torque \u003cstrong\u003elarge diameter boring\u003c\/strong\u003e. With a \u003cstrong\u003e39mm cutting diameter\u003c\/strong\u003e and a \u003cstrong\u003e3D depth ratio\u003c\/strong\u003e (117mm reach), this tool is the industry standard for \u003cstrong\u003eblind hole machining\u003c\/strong\u003e. Featuring precision-engineered \u003cstrong\u003einternal cooling\u003c\/strong\u003e and a robust \u003cstrong\u003espiral flute\u003c\/strong\u003e, it ensures efficient chip evacuation and exceptional surface finish on CNC lathes and machining centers.\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;\"\u003eDecoding the Model: SP C40-3D-SD39-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\u003c\/strong\u003e 39mm 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;\"\u003eMetric \u0026amp; Imperial Technical Specifications\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;\"\u003eFeature\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;\"\u003e39.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e1.535\"\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 Drilling Depth (3D)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e117.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e4.606\"\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-SD1.535-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;\"\u003eHardened 20CrMnTi Alloy \u0026amp; High-Volume Spiral Flute\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial-Grade Build:\u003c\/strong\u003e Forged from premium \u003cstrong\u003e20CrMnTi alloy steel\u003c\/strong\u003e, this \u003cstrong\u003eindexable drill body\u003c\/strong\u003e undergoes vacuum quenching (HRC 52-55) to provide the extreme rigidity needed for \u003cstrong\u003elarge diameter drilling\u003c\/strong\u003e. The surface is treated with Black Oxide to resist corrosion and wear, ensuring longevity in high-heat \u003cstrong\u003eCNC boring\u003c\/strong\u003e environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Spiral Flute:\u003c\/strong\u003e The \u003cstrong\u003eU-drill\u003c\/strong\u003e features an optimized \u003cstrong\u003espiral flute\u003c\/strong\u003e (U-groove) design. Combined with \u003cstrong\u003edual internal cooling holes\u003c\/strong\u003e, it allows high-pressure coolant to flush metal chips out of 117mm deep bores instantly, preventing chip accumulation and protecting the \u003cstrong\u003ecarbide inserts\u003c\/strong\u003e during \u003cstrong\u003eblind hole machining\u003c\/strong\u003e.\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 (39mm 3D)\u003c\/h3\u003e\n\u003cp style=\"color: #ffffff;\"\u003eSuggested for Carbon Steel and Alloy Steel. Use the formula below for your CNC setup:\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)\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;\"\u003eWhere: Vc = Cutting Speed | π ≈ 3.14 | D = 39mm (Drill Diameter)\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 120 - 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:\u003c\/strong\u003e High-pressure \u003cstrong\u003einternal cooling\u003c\/strong\u003e is mandatory for 3D depth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin: 40px 0;\"\u003e\n\u003cp\u003eLooking for a compatible side-lock holder for the 40mm shank?\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\"\u003eSHOP COMPATIBLE C40 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;\"\u003eVerified Global Reviews\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\"Solid 39mm Performance\"\u003c\/strong\u003e\u003cbr\u003e\"Using this for deep blind bores in steel. Rigid core and no vibration. Much better than the previous brand we used.\" \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\"Clean Chip Evacuation\"\u003c\/strong\u003e\u003cbr\u003e\"Coolant through holes are powerful. No chip jamming even at full 117mm depth.\" \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\"Precision is 10\/10. SPMG11 inserts fit very tightly. Perfect for high-volume shops.\"\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\"Arrived in 8 days. Professional industrial quality for our CNC lathe.\"\u003cbr\u003e\u003cem\u003e- Arthur L. (UK)\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\"Runs smoothly on Fanuc machines. Reliable supplier for B2B needs.\"\u003cbr\u003e\u003cem\u003e- Y. Watanabe (Japan)\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 Indexable Drill: Advantages \u0026amp; Considerations\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\u003eUses 4 cutting edges (SPMG), reducing cost per hole.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003eBlind Hole Machining\u003c\/strong\u003e (Flatter bottom).\u003c\/li\u003e\n\u003cli\u003eThick core provides higher rigidity for 39mm diameter 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\u003eNeeds significant machine horsepower to drive a 39mm drill.\u003c\/li\u003e\n\u003cli\u003eCoolant pressure must be maintained for chip clearance.\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: What is the primary difference between SP and WC U-drills?\u003c\/strong\u003e\u003cbr\u003eA: SP models use square inserts and are designed for \u003cstrong\u003eblind holes\u003c\/strong\u003e because they leave a flatter bottom. WC models use trigon inserts and are better for through holes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to buy special bolts?\u003c\/strong\u003e\u003cbr\u003eA: No, the drill comes with the necessary Torx screws and wrench. You only need to purchase \u003cstrong\u003eSPMG110408\u003c\/strong\u003e inserts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this for off-center drilling?\u003c\/strong\u003e\u003cbr\u003eA: Yes, indexable drills can handle slight radial offsets to adjust hole size, provided the setup is rigid.\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;\"\u003eMachinist Tip: SP vs. WC U-Drills\u003c\/h4\u003e\n\u003cp style=\"color: #ffffff;\"\u003e\u003cstrong\u003eSP Series:\u003c\/strong\u003e Specialist for \u003cstrong\u003eBlind Bores\u003c\/strong\u003e. The square insert geometry provides superior stability in large diameter tasks, resulting in higher precision for bottom-end machining.\u003c\/p\u003e\n\u003cp style=\"color: #ffffff;\"\u003e\u003cstrong\u003eWC Series:\u003c\/strong\u003e Specialist for \u003cstrong\u003eThrough Hole\u003c\/strong\u003e applications. While WC offers more edges per insert, the tool body core for WC is typically thinner, making SP the preferred choice for heavy 39mm boring operations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 20px; font-size: 12px; color: #999;\"\u003eBrand: BEYOND | Origin: China | 39mm 3D CNC Boring Specialist\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43570542018732,"sku":"SP C40-3D-SD39-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-SP11_39mm_indexable_U-drill_body_with_heavy-duty_spiral_flute_and_internal_coolant_holes_for_3D_large_diameter_CNC_machining.jpg?v=1772974899","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sp-c40-3d-sd39-sp11-indexable-u-drill-39mm","provider":"CNCHome-Beyond","version":"1.0","type":"link"}