BEYOND SVUCL2525M16 External Turning Tool Holder for VCMT/VCGT 16 Inserts
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BEYOND SVUCL2525M16
Heavy-Duty 25mm External Turning Tool Holder - Left Hand
Product Overview
"Which high-rigidity tool holder is recommended for aggressive profiling and external finishing using 35-degree diamond inserts?"
The BEYOND SVUCL2525M16 is a professional-grade external turning tool holder designed for Left-Hand (L) machining operations. Specifically engineered for large-scale CNC lathes, this 25x25mm shank holder provides maximum stability for VCMT1604 and VCGT1604 inserts. With a 93° approach angle, it is the industry standard for intricate profiling, contouring, and finishing across steel, stainless steel, and cast iron.
Core Industrial Advantages
High-Tensile Alloy Steel
Constructed from premium forged alloy steel, heat-treated to 42-45 HRC to withstand heavy cutting forces without vibration.
Precision Screw Clamping
Utilizes a secure screw-down system that ensures the insert is perfectly seated, maintaining repeatable accuracy within microns.
93° Profiling Geometry
Designed for clearance during complex profiles, allowing for aggressive ramping and undercutting without holder interference.
Technical Specifications
Model Designation Breakdown
Screw Clamping
V-Insert (35°)
93° Angle
7° Clearance
Left Hand
25x25mm Shank
150mm Length
For Insert 16
| Feature | Metric Model (ISO) | Imperial Equivalent (ANSI) |
|---|---|---|
| Shank Dimensions | 25 x 25 mm | 1" x 1" Square |
| Compatible Insert | VCMT / VCGT 1604xx | VCMT 33x |
Recommended Cutting Parameters
| Application | Max Depth (Ap) | Feed Rate (fn) |
|---|---|---|
| Finishing (VCGT) | 0.5 - 1.5 mm | 0.1 - 0.2 mm/rev |
| Semi-Finish (VCMT) | 1.5 - 3.5 mm | 0.15 - 0.3 mm/rev |
Standard Accessories Included:
Industrial Applications
- External Profiling: Precision contouring of shafts and cylinders.
- Facing: High-efficiency surface facing for large diameter workpieces.
- Superalloys & Steel: Optimized for ISO P, M, K, and S materials when paired with appropriate grades.
Machine Compatibility
Fits all standard CNC Turrets and Manual Lathe tool posts with 25mm height clearance. Fully compatible with major brands like Haas, Mazak, Doosan, and Fanuc-controlled lathes.
Why Choose BEYOND Tooling?
Industrial User Reviews
Superior Rigidity
"Upgraded from a 20mm to this 25mm BEYOND holder. The difference in surface finish on 4140 steel is night and day."
— Michael B., USA 🇺🇸Top-End Quality
"Excellent value for a heavy-duty profiling tool. The screw clamping holds the VCMT inserts perfectly tight."
— Hans G., Germany 🇩🇪Highly Reliable
"Used in our aerospace shop for profiling Inconel. The holder is durable and handles the heat well."
— Kenji S., Japan 🇯🇵Technical FAQ
Q: Is the SVUCL holder better for roughing or finishing?
A: It is versatile for both. Use VCMT inserts for semi-finishing/roughing and VCGT (polished) inserts for high-precision finishing on aluminum or non-ferrous metals.
Q: Can I use this for right-hand machining?
A: No, the SVUCL is a Left-Hand holder. For right-hand operations, you will need the SVUCR2525M16 model.
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.