{"product_id":"beyond-sp-c40-3d-sd55-sp09-indexable-u-drill-55mm","title":"BEYOND SP C40-3D-SD55-SP09 Indexable U-Drill Body | 55mm 3D CNC Large Hole 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(247, 242, 242);\"\u003eBEYOND SP C40-3D-SD55-SP09\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px; opacity: 0.9; color: #ffffff;\"\u003e55mm 3D Heavy-Duty U-Drill | Precision Large Diameter Blind Hole Specialist\u003c\/p\u003e\n\u003cdiv style=\"display: inline-block; background: rgba(255,255,255,0.2); 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 (SPMG09) 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 55mm Indexable Boring Solution\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND SP C40-3D-SD55-SP09\u003c\/strong\u003e is a high-performance \u003cstrong\u003eindexable insert drill\u003c\/strong\u003e engineered for maximum material removal in \u003cstrong\u003elarge diameter boring\u003c\/strong\u003e. With a massive \u003cstrong\u003e55mm cutting diameter\u003c\/strong\u003e and a \u003cstrong\u003e3D depth ratio\u003c\/strong\u003e (165mm reach), this tool is the ultimate choice for \u003cstrong\u003eblind hole machining\u003c\/strong\u003e. Featuring \u003cstrong\u003einternal cooling\u003c\/strong\u003e and a precision-engineered \u003cstrong\u003espiral flute\u003c\/strong\u003e, it ensures stable chip evacuation even in heavy-duty CNC applications.\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-SD55-SP09\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;\"\u003eSD55\u003c\/strong\u003e 55mm 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;\"\u003eSP09\u003c\/strong\u003e Fits SPMG09 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;\"\u003e55.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.165\"\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;\"\u003e165.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e6.496\"\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-SD2.165-SP09\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;\"\u003eReinforced 20CrMnTi Alloy \u0026amp; Power-Groove Flute\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial-Grade Build:\u003c\/strong\u003e Forged from high-tensile \u003cstrong\u003e20CrMnTi alloy steel\u003c\/strong\u003e, the body is vacuum-quenched to HRC 52-55. This provides the extreme rigidity required for \u003cstrong\u003elarge diameter drilling\u003c\/strong\u003e, preventing chatter and ensuring a high-quality surface finish. The black oxide surface treatment enhances corrosion resistance and reduces friction.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Spiral Flute:\u003c\/strong\u003e The specialized \u003cstrong\u003espiral flute\u003c\/strong\u003e (U-groove) is optimized for high-volume chip evacuation. Paired with \u003cstrong\u003ecentral internal cooling\u003c\/strong\u003e, it flushes chips out of 165mm deep bores with ease, protecting your \u003cstrong\u003ecarbide inserts\u003c\/strong\u003e from heat build-up and chip packing.\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 (55mm 3D)\u003c\/h3\u003e\n\u003cp style=\"color: #ffffff;\"\u003eOptimal for Steel and Cast Iron. Adjust based on machine power (high torque required):\u003c\/p\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 100 - 150 m\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Rate (f):\u003c\/strong\u003e 0.08 - 0.15 mm\/rev\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation Speed (N):\u003c\/strong\u003e Calculated as $$N = \\frac{Vc \\times 1000}{\\pi \\times 55}$$\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant:\u003c\/strong\u003e High-pressure \u003cstrong\u003einternal cooling\u003c\/strong\u003e is mandatory for large 55mm diameters.\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;\"\u003eGlobal Machinist Reviews\u003c\/h3\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px;\"\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\"Incredible Power\"\u003c\/strong\u003e\u003cbr\u003e\"Drilling 55mm holes in 1045 steel. The tool body is extremely rigid. No vibration at all on our heavy CNC lathe.\" \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 Blind Holes\"\u003c\/strong\u003e\u003cbr\u003e\"Needed a flat bottom for a large manifold. This SP series delivered perfectly. High quality from China.\" \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\"Great B2B procurement experience. Fits SPMG09 inserts perfectly. Durable for 24\/7 production.\"\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\"Strong chip evacuation even at 160mm deep. Internal cooling is key. Highly recommend.\"\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\"Very cost-effective for large diameters. Tool body holds up well to repeated use.\"\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-edge \u003cstrong\u003eSPMG square inserts\u003c\/strong\u003e for low cost-per-edge.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003eBlind Hole Machining\u003c\/strong\u003e (Flatter hole bottom).\u003c\/li\u003e\n\u003cli\u003eMassive 40mm shank for maximum torque transmission.\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-power spindle\/machine due to large diameter.\u003c\/li\u003e\n\u003cli\u003eCritical dependency on high-flow internal coolant.\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 instead of WC for a 55mm hole?\u003c\/strong\u003e\u003cbr\u003eA: SP inserts are square and provide much higher stability and core rigidity, which is essential for massive 55mm cuts. It also leaves a much flatter bottom for blind bores.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are inserts included?\u003c\/strong\u003e\u003cbr\u003eA: No, this is for the tool body only. You will need \u003cstrong\u003eSPMG090408\u003c\/strong\u003e inserts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this on a CNC lathe?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. It is widely used on CNC lathes with C40 side-lock holders for heavy-duty boring.\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\u003e\u003cstrong\u003eSP Series (Square):\u003c\/strong\u003e The professional choice for \u003cstrong\u003eBlind Hole (Blind Bores)\u003c\/strong\u003e. Square inserts create a flatter bottom and offer maximum core strength for large diameter machining.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWC Series (Trigon):\u003c\/strong\u003e Better suited for \u003cstrong\u003eThrough Hole\u003c\/strong\u003e applications. WC inserts offer more cutting edges but the body core is thinner, making it less rigid for 55mm heavy-duty tasks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 20px; font-size: 12px; color: #999;\"\u003eBrand: BEYOND | Origin: China | 55mm 3D CNC Large Hole Specialist\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43570624594092,"sku":"SP C40-3D-SD55-SP09","price":94.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_SP_C40-3D-SD55-SP09_55mm_indexable_U-drill_body_with_heavy-duty_spiral_flute_and_internal_coolant_holes_for_3D_large_diameter_CNC_machining.jpg?v=1772971696","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sp-c40-3d-sd55-sp09-indexable-u-drill-55mm","provider":"CNCHome-Beyond","version":"1.0","type":"link"}