BEYOND WC40-4D-SD45-WC08 U-Drill | 45mm Indexable Insert Drill (4D Depth)
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BEYOND WC40-4D-SD45-WC08
Industrial 4D Indexable U-Drill | 45mm Precision CNC Machining
High-Efficiency 45mm Indexable Drilling
The BEYOND WC40-4D-SD45-WC08 is a professional-grade indexable insert drill designed for high-torque metal removal. Engineered with high-strength alloy steel and treated with an anti-vibration quenching process, this tool body provides maximum rigidity. The spiral flute geometry is specifically optimized for efficient chip evacuation, preventing chip-clogging—the leading cause of tool failure in 45mm large diameter drilling.
What the Model Number Means
Technical Specifications & Comparison
| Parameter | Metric Model (mm) | Imperial Equivalent (Inch) |
|---|---|---|
| Drilling Diameter (SD) | 45.0 mm | 1.772" |
| Shank Diameter (D) | 40.0 mm | 1.575" |
| Effective Drilling Depth | 180.0 mm | 7.087" |
Recommended Cutting Parameters
Achieve optimal CNC tooling results with these standard settings for steel and alloy:
- Cutting Speed (Vc): 100 - 160 m/min (Depending on material hardness).
- Feed Rate (f): 0.08 - 0.18 mm/rev.
- Coolant: High-pressure internal cooling is mandatory for effective chip removal at 4D depths.
WC Series U-Drill Performance
- Uses WCMX / WCMT inserts with 4 cutting edges (economical).
- Excellent performance in large hole CNC machining with stable chip breaking.
- Lower cutting resistance compared to twist drills.
- Higher spindle torque requirements for 45mm diameters.
- Surface finish may be slightly rougher than specialized reaming tools.
Pro-Tip: Choosing the Right Depth (L/D Ratio)
The U-Drill 4D ratio is the sweet spot for balance:
- 2D/3D: Maximum rigidity for high-feed rates on shallow holes.
- 4D (This Model): Universal standard for deep hole drilling without sacrificing tool life.
- 5D: Extreme reach; requires superior internal coolant drilling pressure and reduced feed rates to prevent deflection.
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.