BEYOND SVUBL2020K16 Left-Hand External Turning Tool Holder 20mm for VBMT1604
Price shown is a starting point. Contact us for a precise quote based on your requirements.
BEYOND SVUBL2020K16 Left-Hand External Turning Tool Holder
Product Overview
"Which 20mm left-hand tool holder provides the best clearance for 93° profiling with VBMT 1604 inserts on medium CNC lathes?"
The BEYOND SVUBL2020K16 is a professional-grade Left-Hand (L) external turning tool holder featuring a 20x20mm shank. This holder is specifically designed for the 35° rhombic VBMT 1604 or VCMT 1604 inserts. With its 93° approach angle, it offers the perfect balance of clearance and stability for intricate profiling, contouring, and finishing operations in a wide range of workpiece materials including carbon steel and stainless steel.
Key Features
- ✔Industrial Alloy Steel: Precision forged and vacuum hardened to HRC 42-45 for superior durability.
- ✔Optimized 93° Geometry: Engineered for high-accuracy profiling and longitudinal turning with minimal vibration.
- ✔S-Type Screw Clamping: Features a high-force screw-down system for rapid insert replacement and consistent positioning.
- ✔Premium Surface Treatment: Black oxide coating provides excellent wear resistance and prevents chip welding.
Technical Specifications
| ISO Standard | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Shank Size (H x W) | 20 x 20 mm | ~3/4" x 3/4" |
| Overall Length (L) | 125 mm | 4.92" |
| Compatible Insert | VBMT1604 / VCMT1604 | VBMT 33x series |
Cutting Parameter Recommendations
| Material Group | Speed (Vc) m/min | Feed (fn) mm/rev |
| Carbon Steel (P) | 140 - 280 | 0.08 - 0.35 |
| Stainless Steel (M) | 90 - 180 | 0.08 - 0.25 |
ISO Code Breakdown: SVUBL2020K16
Screw Cl.
35° Shape
93° Lead
5° Clear.
Left Hand
20mm Shank
125mm L
Insert Size
High-Performance Insert Pairing
Optimized for use with BEYOND VBMT 1604 or VCMT 1604 carbide inserts. Achieve the best finish by selecting the right grade for your material.
Browse VBMT 1604 Inserts →Applications & Compatibility
The 20mm shank is the standard for medium-sized CNC turning centers and precision lathe machines. It is ideally suited for external profiling where tool clearance is restricted. Fully compatible with turret systems from Mazak, Haas, Doosan, Okuma, and DMG Mori.
Verified Machinist Feedback
"Perfect for Small Parts"
Alex H. (USA) - The 20mm shank fits my Haas perfectly. The 93 degree angle is essential for my contouring work.
"Hervorragende Qualität"
Klaus B. (Germany) - Precision pocket design. The VBMT 16 insert sits extremely tight, even under heavy finishing loads.
"Great Surface Finish"
Marco S. (Italy) - Very reliable tool for stainless profiling. Vibrations are well-dampened for a 20mm shank.
"Consistent Quality"
T. Sato (Japan) - Standard ISO tolerances are met. Good value for money compared to bigger brands.
Industrial Support FAQ
A: Yes, the 93° lead angle allows for both longitudinal turning and facing toward a clean 90-degree shoulder.
A: The size 16 insert is more robust and thicker than the size 11, making it better for medium finishing where you might encounter slightly heavier cuts.
A: Yes, every BEYOND tool holder comes complete with the high-tensile locking screw and the corresponding Torx wrench.
Grade Comparison Tip: Use BEYOND BY815 for general steel applications or BYM25 for heat-resistant alloys.
Equivalent Models: Sandvik SVUBL-2020K16, Kennametal SVUBL2020K16, Iscar SVUBL-2020-K16.
Troubleshooting: If chipping occurs, ensure the coolant is directed at the cutting tip and check for tool center height alignment.
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.