BEYOND SVQCR2020K16 External Turning Tool Holder for VC..1604 Inserts
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BEYOND SVQCR2020K16 External Turning Tool Holder
High-Performance 20mm Shank for VC..1604 Series Inserts
1. Product Overview
The BEYOND SVQCR2020K16 is a professional-grade external turning tool holder specifically designed for VC..1604 (VCMT 33x) carbide inserts. With its 107.5° approach angle, it provides superior clearance for complex profiling and medium-to-fine finishing operations on high-value workpieces. The screw-down clamping system ensures maximum chip evacuation efficiency, preventing chip recutting and enhancing surface finish.
2. Key Features
- Industrial Strength Alloy Steel: Precision forged for high rigidity and vibration resistance during heavy-duty cycles[cite: 1].
- Advanced Profiling Geometry: The 107.5° lead angle is engineered for deep profiling where traditional tool bodies might interfere[cite: 1].
- Precision Insert Seating: Heat-treated pocket ensures consistent repeatability and extends the life of your carbide inserts[cite: 1].
3. Technical Specifications
Screw Clamp
35° Rhombus
107.5° Lead
7° Relief
Right Hand
20x20mm
125mm OAL
VC..16 Insert
| Feature | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Shank Size | 20 x 20 mm | 0.787" x 0.787" |
| Total Length | 125 mm | 4.921" |
| Standard Model | SVQCR2020K16 | SVQCR12-4D |
Recommended Cutting Parameters
| Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Steel (P) | 150 - 300 m/min | 0.15 - 0.40 mm/rev |
| Stainless (M) | 100 - 200 m/min | 0.10 - 0.30 mm/rev |
4. Applications & 5. Compatibility
The SVQCR2020K16 is optimized for precision profiling on CNC lathes[cite: 1]. It excels in machining medium-sized shafts, pulleys, and intricate automotive components where finish quality and tool clearance are critical[cite: 1]. This holder is fully compatible with ISO-standard VC..1604 inserts, including VCGT for aluminum and VCMT for steel/stainless steel[cite: 1].
7. Why Choose BEYOND?
"Solid tool holder. Used it for profiling 4140 steel and the finish was perfect. Highly recommend BEYOND for their consistency."[cite: 1]
"Excellent value. The rigidity is comparable to much more expensive European brands."[cite: 1]
"Very good tool for finishing operations. Clear chip flow and stable seating."[cite: 1]
"Reliable performance for high-precision jobs. Fast shipping to Japan."[cite: 1]
8. Expert FAQ
Q: What makes the SVQCR geometry better for profiling?
A: The 107.5° lead angle provides significant clearance for the back of the tool, allowing it to move deep into profiles without the tool holder body rubbing against the workpiece[cite: 1].
Q: Can I use this for heavy roughing?
A: While robust, this holder and its 35° rhombus inserts are primarily designed for profiling and finishing. For heavy roughing, we recommend our CNMG or WNMG series[cite: 1].
Q: Does this include the screw and wrench?
A: Yes, all BEYOND tool holders come equipped with the necessary mounting hardware[cite: 1].
Grade Comparison & Troubleshooting
Grade Insight: Pair with BEYOND BYP series for high-speed steel turning or BYM series for stainless steel toughness[cite: 1].
Equivalent Models: Sandvik SVQCR 2020K 16 | Iscar SVQCR 2020K-16[cite: 1].
Workpiece Matrix: Excellent for P (Steel), M (Stainless), K (Cast Iron), and N (Non-ferrous)[cite: 1].
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.