BEYOND SVVCN2020K11 CNC External Turning Tool Holder - 20x20mm Shank
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BEYOND SVVCN2020K11 External Turning Tool Holder
20mm Neutral Shank | 72.5° Approach Angle for VCMT 1103 Inserts
Product Overview
"Which neutral tool holder is best for high-precision 35-degree diamond profiling on 20mm CNC turrets?"
The BEYOND SVVCN2020K11 is a high-rigidity external tool holder engineered for VCMT 1103 or VCGT 1103 inserts. With its unique 72.5° lead angle and neutral (central) orientation, it provides exceptional clearance for complex profiling and contouring. This holder is the professional's choice for achieving high-mirror finishes in finishing and semi-finishing operations, utilizing a precision screw-down system that ensures the 35° diamond insert remains perfectly stationary under high feed rates.
Key Features
S-Type Screw Clamping
Designed for the thin profile of V-style inserts, the S-clamping mechanism provides maximum stability and chip clearance compared to wedge designs.
40Cr High-Strength Steel
Crafted from premium alloy steel and vacuum-quenched to HRC 42-45 to withstand vibration and extend tool body life.
Neutral Orientation
The neutral (N) hand allows for balanced cutting forces and versatility in both forward and reverse profiling paths in many CNC programs.
Technical Specifications
| Dimension Name | Metric (ISO) | Imperial (ANSI Equivalent) |
|---|---|---|
| Shank Size | 20 x 20 mm | 0.787" x 0.787" |
| Tool Length | 125 mm | 4.92" |
| Insert Style | VCMT/VCGT 1103 | VCMT 221/222 |
Pro Recommended Parameters:
| Workpiece Material | Speed (Vc) | Feed (fn) |
|---|---|---|
| Carbon Steel (P) | 150 - 250 m/min | 0.05 - 0.20 mm/rev |
| Stainless Steel (M) | 90 - 180 m/min | 0.05 - 0.15 mm/rev |
Applications
- High-precision longitudinal and face profiling.
- Finishing of tapered shafts and complex curves.
- Ideal for medium to small-batch CNC production.
- Best for Steel, Stainless, and Non-ferrous materials.
Compatibility
Perfectly fits 20mm CNC turret blocks and standard wedge-style or quick-change tool posts. Optimized for BEYOND VCMT/VCGT 1103 inserts and 100% compatible with Sandvik, Kennametal, and Kyocera equivalents.
Verified Customer Feedback
"Profiling Master"
Alex H., USA
Switched to BEYOND for my 20mm lathe. The SVVCN has great clearance and the finish is excellent on 304 stainless.
"Top Qualität"
Jürgen K., Germany
The pocket accuracy is impressive. No insert movement even at higher speeds. Excellent value.
"Great Neutral Tool"
Sato M., Japan
Standard 20mm shank. Use it for finishing cycles. Very stable.
CNC Pro FAQ
Q: Is this holder suitable for VCGT polished inserts for aluminum?
A: Yes, the precision pocket is fully compatible with both VCMT (carbide) and VCGT (polished aluminum) inserts.
Q: Why choose the neutral (N) version instead of right-hand?
A: The SVVCN neutral holder is ideal for profiling complex paths where you need a symmetrical tool body for clearance.
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.