BEYOND WC40-5D-SD44-WC08 U-Drill | 44mm Indexable Insert Drill (5D Depth)
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BEYOND WC40-5D-SD44-WC08
Professional 5D Indexable U-Drill | High-Stability Deep Hole Drilling
Deep Hole Precision Machining
The BEYOND WC40-5D-SD44-WC08 is a high-rigidity indexable insert drill engineered for demanding industrial environments. With a 44mm cutting diameter and a 5D length ratio, this tool provides the stability required for high-speed CNC drilling. It features integrated internal cooling to ensure excellent chip evacuation and heat management during extended drilling cycles.
Model Specifications Breakdown
Technical Data & Metric/Imperial Conversion
| Feature | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Drilling Diameter | 44.0 mm | 1.732" |
| Shank Diameter | 40.0 mm | 1.574" |
| Max Drilling Depth | 220.0 mm | 8.661" |
Recommended Cutting Parameters
To ensure optimal tool life and effective chip control, please follow these guidelines:
- Cutting Speed (Vc): 110 - 170 m/min (depending on material hardness).
- Feed Rate (f): 0.07 - 0.14 mm/rev.
- Coolant Requirement: Internal High-Pressure Coolant is mandatory for 5D depth to clear chips effectively from the deep flute.
Advanced Material & Flute Geometry
The BEYOND U-Drill body is manufactured from premium alloy steel with an anti-vibration design and specialized quenching for enhanced surface hardness. The spiral flute geometry is wide and polished for "forced" chip evacuation, preventing chip-packing which is common in deep 5D holes. Utilizing WC08 carbide inserts, this holder offers four cutting edges, making it a highly cost-effective CNC tool holder for deep hole drilling.
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Pro-Tip: Choosing Drill Depth (2D to 5D)
Selecting the correct L/D ratio is critical for performance:
- 2D/3D Drills: Maximum rigidity. Best for high-speed shallow holes and lathes with less stability.
- 4D Drills: The industry standard for versatile, general-purpose machining.
- 5D Drills (This Model): Specialist tool for deep-hole applications. It requires high-pressure internal coolant and precise spindle alignment to prevent deflection and ensure hole straightness.
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.