BEYOND WC40-3D-SD55-WC08 U-Drill | 55mm Indexable Insert Drill Body (3D Depth)
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BEYOND WC40-3D-SD55-WC08
Professional 3D Indexable U-Drill | 55mm Industrial CNC Tooling
High-Performance 55mm Indexable Holemaking
The BEYOND WC40-3D-SD55-WC08 is a high-rigidity indexable insert drill engineered for rapid metal removal in heavy-duty CNC machining. As a specialized fast hole U-drill, it features a 55mm cutting diameter with a 3D depth ratio. Optimized for high-speed internal cooling drilling, it provides exceptional stability and efficient chip evacuation in carbon steel, alloy steel, and stainless steel.
Model Code Specification
Technical Data & Metric/Imperial Comparison
| Feature | Metric Model (mm) | Imperial Equivalent (Inch) |
|---|---|---|
| Cutting Diameter (SD) | 55.0 mm | 2.165" |
| Shank Diameter | 40.0 mm | 1.575" |
| Max Drilling Depth (3D) | 165.0 mm | 6.496" |
Recommended Cutting Parameters
Ensure peak CNC holemaking performance with these baseline settings:
- Cutting Speed (Vc): 100 - 160 m/min (Material dependent).
- Feed Rate (f): 0.10 - 0.22 mm/rev.
- Formula: Spindle Speed $N = \frac{Vc \times 1000}{\pi \times D}$
- Coolant: High-pressure internal cooling is required for optimal chip flushing.
Premium Material & Optimized Spiral Flute
Constructed from high-performance quenched alloy steel, this WC08 insert holder ensures maximum toughness and vibration damping. The optimized spiral flute geometry is designed for efficient long-chip breaking, preventing clogging during 55mm fast drilling. The nickel-plated surface prevents corrosion and ensures smooth chip flow even in demanding metal boring environments.
WC Series U-Drill: Pros & Cons
- Uses WCMX / WCMT inserts with 3 cutting edges (Economic choice).
- Stable drilling on uneven or sloped entry surfaces.
- Lower cutting resistance compared to larger SP series.
- Requires high-pressure coolant for deep 3D depths.
- Tolerance is roughly +0.15/+0.25mm; not for high-precision H7 bores.
Verified Global Reviews
"Solid Body" - Hans B. (Germany)
Great rigidity for 55mm holes. The nickel coating is very durable.
"Efficient" - Mark T. (USA)
Cuts through carbon steel like butter with the right internal cooling.
"Best Value" - Hiroshi K. (Japan)
BEYOND quality is excellent. Fits WC08 inserts perfectly without vibration.
"Fast Delivery" - Liam G. (UK)
Arrived quickly and well packaged. Performs just as well as premium brands.
"Highly Recommend" - Jean P. (France)
Great chip evacuation on our CNC lathe. Very stable tool body.
Frequently Asked Questions
Q: Does this include the WC08 inserts?
A: No, this is the 55mm U-drill body only. Inserts must be ordered separately.
Q: What is the benefit of the WC series?
A: WC series (Trigon) offer 3 usable cutting edges, making them more cost-effective per hole than square inserts.
Q: Can I use this for through-holes?
A: Yes, it is ideal for both through-holes and blind holes in CNC milling and lathe applications.
Pro-Tip: Choosing the Right Depth (2D vs 3D vs 5D)
- 2D: Best for shallow holes; offers maximum rigidity for very high feed rates.
- 3D (This Model): The industrial balance. Versatile for most deep-hole CNC machining needs with great stability.
- 5D: Specialized long reach drilling. Requires extreme coolant pressure to maintain hole straightness.
Need Help With BEYOND Inserts?
Looking for a BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.