BEYOND SVVBN2020K11 External Turning Tool Holder 20mm Shank for VBMT1103
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BEYOND SVVBN2020K11 External Turning Tool Holder
Product Overview
"Which 20mm tool holder is best for high-precision 72.5° profiling and fine surface finishing with VBMT 11 inserts?"
The BEYOND SVVBN2020K11 is a professional-grade, neutral-hand (N) external turning tool holder featuring a 20x20mm shank. Specifically designed for the 35° rhombic VBMT 1103 or VCMT 1103 inserts, it excels in profiling and finishing operations. Its 72.5° approach angle allows for maximum clearance when machining intricate contours, ensuring exceptional stability and a mirror-like surface finish in steel, stainless, and heat-resistant alloys.
Key Features
- ✔Hardened Alloy Steel Body: Tempered to HRC 42-45 for superior rigidity and chatter resistance during precision cuts.
- ✔72.5° Profiling Geometry: Engineered for facing and multi-directional contouring with zero interference.
- ✔High-Precision S-Type Locking: Reliable screw clamping ensures the insert remains perfectly centered under high centrifugal forces.
- ✔Industrial Coating: Durable black oxide finish enhances chip evacuation and prevents tool body corrosion.
Technical Specifications
| ISO Model | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Shank Size | 20 x 20 mm | ~3/4" x 3/4" |
| Length (L) | 125 mm | 4.92" |
| Compatible Insert | VBMT1103 / VCMT1103 | VBMT 22x series |
Recommended Cutting Parameters
| Material Group | Speed (Vc) m/min | Feed (fn) mm/rev |
| Steel (P) | 150 - 280 | 0.05 - 0.20 |
| Stainless (M) | 90 - 180 | 0.05 - 0.15 |
Model Decoding: SVVBN2020K11
Screw Cl.
35° V-Shape
72.5° Lead
5° Clearance
Neutral Hand
20mm Shank
125mm Length
Insert Size
System Compatibility
Ensure peak accuracy by pairing this holder with BEYOND VBMT 1103 or VCMT 1103 inserts.
Shop VBMT 1103 Inserts →Applications & Machine Compatibility
The 20mm shank is the "sweet spot" for medium CNC lathes and compact turret stations. It is primarily used for external turning, facing, and intricate profiling where a neutral hand tool provides setup flexibility. Fully compatible with machine brands including Haas, Mazak, Doosan, DMG Mori, and Okuma.
Trusted by Professional Machinists
"Dead-on Accuracy"
Robert S. (USA) - Fits my Haas ST-10 perfectly. The profiling finish is superior to my previous holders.
"Sehr zuverlässig"
Karl L. (Germany) - Solid rigidity. Excellent for small stainless steel contouring work.
"Ottima fattura"
Luca F. (Italy) - Great quality steel and clean dimensions. Fast delivery and professional support.
"Consistent Quality"
T. Sato (Japan) - Standard ISO dimensions. Very stable for high-speed finishing.
Industrial Technical FAQ
A: Neutral hand tools are centered, allowing them to be utilized in multiple directions or orientations, giving you more turret flexibility compared to dedicated Left/Right holders.
A: VBMT 11 inserts are smaller and offer finer cutting edges, making this specific holder better suited for fine finishing and intricate detail work where the 16 size is too large.
A: Yes, each BEYOND holder is shipped with its corresponding insert screw and the correct Torx wrench.
Grade Comparison Tip: Use BEYOND BY815 for multi-material steel turning or BYM25 for heat-resistant stainless steel alloys.
Equivalent Models: Sandvik SVVBN-2020K11, Kennametal SVVBN2020K11, Iscar SVVBN-2020-K11.
Troubleshooting: If tool wear is uneven, verify that the tool center height is precisely aligned with the workpiece axis. Maintain 3x shank height maximum overhang.
Workpiece Material Matrix: P (Steel) ●●● | M (Stainless) ●●● | K (Cast Iron) ●●○ | N (Non-Ferrous) ●●●
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.