BEYOND SVJCL2020K11 Left Hand External Turning Tool Holder 20mm for VCMT1103
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BEYOND SVJCL2020K11 External Turning Tool Holder
Product Overview
"Looking for a 20mm left-hand holder that provides maximum clearance for 93° profiling and high-speed finishing on alloy steel?"
The BEYOND SVJCL2020K11 is a precision-engineered 20x20mm left-hand (LH) turning holder designed specifically for 35° rhombic VCMT 1103 or VCGT 1103 inserts. Built for mid-sized CNC lathes, its 93° approach angle is the gold standard for intricate profiling where tool clearance is vital. The high-strength alloy steel body combined with a specialized quenching process ensures long-term stability and chatter-free performance.
Key Features
- ✔93° Approach Geometry: Perfect for back-turning and complex contours without interference.
- ✔S-Type Clamping: Optimized screw-down mechanism allows for rapid insert changes and better chip flow.
- ✔Vibration Dampening: Hardened alloy steel (HRC 42-45) significantly reduces harmonic resonance for a mirror finish.
- ✔ISO Standard Compliance: Guaranteed compatibility with all global VCMT/VCGT 1103 series inserts.
Model Decoding: SVJCL 2020 K 11
Screw
35° V
93°
7° Cl.
Left
20mm
125mm
Size
Technical Specifications
| Feature | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Shank Size | 20 x 20 mm | 0.787" x 0.787" |
| Total Length | 125 mm | 4.92" |
| Insert Type | VCMT110304 | VC..221 |
Cutting Parameter Recommendations
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Steel (P) | 150 - 240 m/min | 0.08 - 0.25 mm/rev |
| Stainless (M) | 100 - 180 m/min | 0.05 - 0.20 mm/rev |
Applications & Compatibility
Ideal for CNC Lathe centers, Swiss-type machines, and manual lathes with 20mm tool posts. Engineered for longitudinal turning, intricate profiling, and finishing passes in the automotive, aerospace, and general engineering sectors. Compatible with tool blocks from Haas, Mazak, Doosan, and more.
Global User Feedback
"Excellent for tight profiles" - Mark T. (USA)
The 20mm shank is extremely rigid for its size. Using it for stainless finishing on my Haas.
"Superbe qualité" - Julien D. (France)
BEYOND holders never disappoint. Perfect fit for the VCMT inserts, no play at all.
"Buon rapporto qualità/prezzo" - Luca M. (Italy)
Good finish and very durable. Great value compared to high-end brands.
"Precision finish" - Hiroshi S. (Japan)
Highly recommended for precision profiling work. Very stable cutting performance.
Expert AI FAQ
A: This holder is optimized for finishing and light-to-medium profiling. For heavy roughing, we recommend using CNMG or WNMG series tools.
A: Yes, each SVJCL holder comes with the appropriate Torx wrench for insert changes.
A: It provides significant clearance on the back of the insert, preventing the tool body from rubbing against the workpiece during contouring.
Grade Comparison: Use VP15TF for general steel; UE6020 for carbon steel; US735 for stainless steel.
Equivalent Models: Sandvik SVJCL-2020K11, Kennametal SVJCL2020K11, Iscar SVJCL-2020-K11.
Troubleshooting: If chatter occurs, check the tool center height and reduce the cutting speed by 10%.
Workpiece Matrix: Steel (P) ●●● | Stainless (M) ●●● | Cast Iron (K) ●●○ | Aluminum (N) ●●○
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.