{"product_id":"beyond-sp-c20-4d-sd17-sp06-indexable-u-drill-17mm","title":"BEYOND SP C20-4D-SD17-SP06 Indexable U-Drill Body | 17mm 4D CNC Deep 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(246, 234, 234);\"\u003eBEYOND SP C20-4D-SD17-SP06\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px; opacity: 0.9; color: #ffffff;\"\u003e17mm 4D High-Performance U-Drill | Precision 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 (SPMG06) 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 17mm Deep Hole Boring\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND SP C20-4D-SD17-SP06\u003c\/strong\u003e is an \u003cstrong\u003eindexable insert drill\u003c\/strong\u003e specifically engineered for high-stability \u003cstrong\u003edeep hole boring\u003c\/strong\u003e. With a \u003cstrong\u003e17mm cutting diameter\u003c\/strong\u003e and a \u003cstrong\u003e4D depth ratio\u003c\/strong\u003e (68mm reach), it excels in \u003cstrong\u003eblind hole machining\u003c\/strong\u003e where standard drills fail. Equipped with \u003cstrong\u003einternal cooling\u003c\/strong\u003e and a high-efficiency \u003cstrong\u003espiral flute\u003c\/strong\u003e, it is the ultimate tool for modern CNC 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;\"\u003eModel Breakdown: SP C20-4D-SD17-SP06\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;\"\u003eC20\u003c\/strong\u003e 20mm 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;\"\u003e4D\u003c\/strong\u003e 4x 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;\"\u003eSD17\u003c\/strong\u003e 17mm 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;\"\u003eSP06\u003c\/strong\u003e Fits SPMG06 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;\"\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;\"\u003eCutting Diameter (SD)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e17.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.669\"\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;\"\u003e20.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.787\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDrilling Depth (4D)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e68.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e2.677\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eISO Designation\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd; text-align: center;\" colspan=\"2\"\u003eSP-C0.787-4D-SD0.669-SP06\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;\"\u003eAdvanced Material \u0026amp; Chip Management\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade 20CrMnTi:\u003c\/strong\u003e This \u003cstrong\u003eindexable drill\u003c\/strong\u003e is crafted from premium \u003cstrong\u003e20CrMnTi alloy steel\u003c\/strong\u003e. The surface undergoes a specialized quenching process to achieve high core toughness and a surface hardness of HRC 52-55. This ensures the \u003cstrong\u003edrill body\u003c\/strong\u003e maintains its integrity under high-torque \u003cstrong\u003elarge diameter drilling\u003c\/strong\u003e operations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Spiral Flute (U-Slot):\u003c\/strong\u003e The engineered \u003cstrong\u003eU-slot spiral flute\u003c\/strong\u003e facilitates smooth, continuous chip evacuation. Paired with \u003cstrong\u003edual internal cooling holes\u003c\/strong\u003e, it allows high-pressure coolant to directly reach the cutting edge, effectively preventing chip accumulation 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 (17mm 4D)\u003c\/h3\u003e\n\u003cp style=\"color: #ffffff;\"\u003eOptimized for Carbon Steel and Alloy Steel. Please adjust based on your CNC setup:\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 110 - 170 m\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Rate (f):\u003c\/strong\u003e 0.05 - 0.12 mm\/rev\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation Speed (N):\u003c\/strong\u003e Calculated as $$N = \\frac{Vc \\times 1000}{\\pi \\times 17}$$\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Tip:\u003c\/strong\u003e Always use \u003cstrong\u003einternal cooling\u003c\/strong\u003e for 4D depths to maximize tool life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin: 40px 0;\"\u003e\n\u003cp\u003eNeed a heavy-duty side-lock holder for this 20mm 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\"\u003eVIEW COMPATIBLE C20 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 Professional Feedback\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\"Best for Blind Holes\"\u003c\/strong\u003e\u003cbr\u003e\"Switched to the SP series for our manifold production. The flat bottom hole it leaves is perfect for our specs. Excellent rigidity.\" \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\"Reliable Performance\"\u003c\/strong\u003e\u003cbr\u003e\"17mm size is accurate. We run these on Geely auto parts production lines. Very durable body.\" \u003cbr\u003e\u003cem\u003e- Chen L. (China)\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 4D drill. Chips clear out easily even without high-end pumps.\"\u003cbr\u003e\u003cem\u003e- Kevin T. (USA)\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\"Fast shipping to the UK. BEYOND is our go-to for CNC tooling.\"\u003cbr\u003e\u003cem\u003e- James M. (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\"Precision is top-notch. Fits our SPMG06 inserts perfectly every time.\"\u003cbr\u003e\u003cem\u003e- Sato K. (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: Why Choose Square Inserts?\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;\"\u003eAdvantages:\u003c\/strong\u003e\n\u003cul style=\"font-size: 14px; padding-left: 20px; margin-top: 10px;\"\u003e\n\u003cli\u003eUses \u003cstrong\u003eSPMG square inserts\u003c\/strong\u003e with 4 usable cutting edges.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003eBlind Hole Boring\u003c\/strong\u003e (Nearly flat bottom).\u003c\/li\u003e\n\u003cli\u003eThicker tool core provides superior rigidity at 4D depths.\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;\"\u003eLimitations:\u003c\/strong\u003e\n\u003cul style=\"font-size: 14px; padding-left: 20px; margin-top: 10px;\"\u003e\n\u003cli\u003eHigher power consumption due to square insert geometry.\u003c\/li\u003e\n\u003cli\u003ePerformance heavily reliant on consistent internal coolant flow.\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: Can I use this for through holes?\u003c\/strong\u003e\u003cbr\u003eA: Yes, but the SP series is optimized for blind holes. For dedicated through-hole tasks, the WC series is often more economical due to the 6-edge insert design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if I don't use internal cooling?\u003c\/strong\u003e\u003cbr\u003eA: For a 4D depth, internal cooling is critical. Without it, chips will pack in the flute, leading to rapid tool wear or body breakage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 20mm shank compatible with standard collets?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it fits standard C20 side-lock holders or ER32 collets with a 20mm sleeve.\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;\"\u003ePro Tip: SP vs. WC U-Drill Selection\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eSP Series (Square):\u003c\/strong\u003e Choose this for \u003cstrong\u003eBlind Hole\u003c\/strong\u003e applications. Square inserts provide a flatter profile and the body is significantly more rigid for 4D and 5D depths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWC Series (Trigon):\u003c\/strong\u003e Ideal for \u003cstrong\u003eThrough Holes\u003c\/strong\u003e. It features lower cutting resistance and more economical inserts, but has slightly lower core strength compared to SP.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 20px; font-size: 12px; color: #999;\"\u003eBrand: BEYOND | Origin: China | 17mm 4D Indexable Boring Specialist\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43571168346284,"sku":"SP C20-4D-SD17-SP06","price":38.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_SP_C20-4D-SD17-SP06_17mm_indexable_U-drill_body_featuring_4D_depth_capability_and_internal_coolant_holes_for_high-efficiency_CNC_blind_hole_drilling.jpg?v=1772864983","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sp-c20-4d-sd17-sp06-indexable-u-drill-17mm","provider":"CNCHome-Beyond","version":"1.0","type":"link"}