BEYOND SP C25-3D-SD13-SP05 Indexable U-Drill Body | 13mm 3D CNC Boring Drill
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BEYOND SP C25-3D-SD13-SP05
13mm 3D Heavy-Duty U-Drill | Precision Blind Hole Boring Specialist
Industrial-Grade 13mm Indexable Boring Solution
The BEYOND SP C25-3D-SD13-SP05 is a high-performance indexable insert drill engineered for maximum stability in CNC boring. With a 13mm cutting diameter and a 3D depth ratio (39mm reach), this tool is the primary choice for blind hole machining. Featuring internal cooling and a precision-engineered spiral flute, it ensures rapid chip evacuation and superior surface finish in steel and stainless steel.
Decoding the Model: SP C25-3D-SD13-SP05
Metric & Imperial Technical Specifications
| Feature | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Drilling Diameter (SD) | 13.0 mm | 0.511" |
| Shank Diameter (C) | 25.0 mm | 0.984" |
| Max Drilling Depth (3D) | 39.0 mm | 1.535" |
| Equivalent Model | SP-C0.984-3D-SD0.511-SP05 | |
Forged 20CrMnTi Alloy & High-Efficiency Spiral Flute
Industrial Build: This indexable drill body is forged from high-grade 20CrMnTi alloy steel and vacuum quenched (HRC 52-55). This core strength is critical for large diameter drilling stability and preventing tool deformation. The surface features a Black Oxide finish to resist thermal friction.
Advanced Slot Design: The U-drill utilizes an optimized spiral flute (U-groove) that creates an unobstructed pathway for chip removal. Combined with internal cooling holes, it allows high-pressure coolant to flush metal chips directly out of the bore, which is essential for successful blind hole machining.
Recommended Cutting Parameters (13mm 3D)
Guidelines for Steel and Cast Iron applications. Adjust based on CNC rigidity:
Rotation Speed (N) = (Vc × 1000) / (π × 13)
Vc = Cutting Speed | π ≈ 3.14 | D = 13mm
- Cutting Speed (Vc): 130 - 210 m/min
- Feed Rate (f): 0.05 - 0.10 mm/rev
- Coolant: Internal cooling is mandatory for 13mm 3D deep-hole drilling.
Achieve maximum stability with a high-rigidity C25 side-lock holder:
SHOP COMPATIBLE C25 TOOL HOLDERSVerified Global Reviews
"Solid 13mm Performance"
"Using this for blind holes in 4140 steel. Body is extremely rigid and chip evacuation is flawless."
- Hans M. (Germany)
"Better than the expensive local brands. Internal coolant makes a huge difference in small diameters."
- Marek W. (Poland)
"Precision is top-notch. The SPMG05 pocket fit is perfect."
- Pedro S. (Brazil)
"Fast shipping to UK. Used on a CNC Lathe, works very smooth."
- Arthur L. (UK)
"Highly recommended for production work. Consistent tool life."
- Y. Watanabe (Japan)
SP Series Indexable Drill: Advantages & Considerations
- Uses 4-edge SPMG square inserts for lower cost-per-edge.
- Optimized for Blind Hole Machining (Flatter hole bottom profile).
- Reinforced body core provides maximum rigidity for 13mm diameters.
- Requires higher torque machines compared to standard twist drills.
- Performance is highly dependent on consistent internal coolant pressure.
Technical Q&A
Q: Why choose SP over WC for blind hole drilling?
A: SP square inserts create a flatter bottom. The SP body is also designed with a thicker core, essential for large diameter boring stability.
Q: Is this tool body compatible with all SPMG05 inserts?
A: It is designed for standard SPMG050204 carbide inserts. Using BEYOND brand inserts is recommended for the best fit.
Q: Can I use this without internal coolant?
A: It is not recommended. Internal cooling is vital for chip evacuation and temperature control in U-drilling.
Machinist Tip: SP vs. WC U-Drills
SP Series (Square): The professional choice for Blind Hole (Blind Bores). Square inserts create a flatter bottom and offer maximum core strength for large diameter machining.
WC Series (Trigon): Primarily used for Through Hole applications. WC inserts offer more cutting edges but the body core is thinner, making it less rigid for 13mm 3D tasks.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.