BEYOND SVJCR2020K16 CNC External Turning Tool Holder 20mm for VCMT1604
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BEYOND SVJCR2020K16 External Turning Tool Holder
Product Overview
"Which 20mm tool holder is best for 93° profiling and fine finishing on steel workpieces using V-type inserts?"
The BEYOND SVJCR2020K16 is a professional-grade, right-hand (RH) external turning tool holder designed specifically for 35° rhombic VCMT 1604 or VCGT 1604 inserts. Featuring a 20x20mm shank, it is the industry standard for precision profiling where clearance is critical. The tool utilizes the S-type screw clamping system, ensuring maximum chip flow and a secure insert seat for medium finishing to finishing applications.
Key Features
- ✔93° Approach Angle: Optimized for contouring and back-turning without interference.
- ✔Advanced Alloy Body: Forged with high-strength chromium-molybdenum steel for superior vibration dampening.
- ✔Precision Insert Seating: Minimizes micro-vibrations to extend tool life and enhance surface finish.
- ✔Corrosion Resistance: Industrial-grade black oxide coating prevents chip welding and oxidation.
ISO Decoding: SVJCR 2020 K 16
Screw
35° V
93°
7° Cl.
Right
20mm
125mm
Size
Technical Specifications
| Feature | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Shank Size | 20 x 20 mm | 0.787" x 0.787" |
| Length | 125 mm | 4.92" |
| Insert Compatibility | VCMT1604 / VCGT1604 | VC..33x |
Recommended Cutting Parameters
| Material | Vc (m/min) | fn (mm/rev) |
|---|---|---|
| Steel (P) | 140 - 240 | 0.15 - 0.35 |
| Stainless (M) | 100 - 180 | 0.10 - 0.25 |
Precision Setup
Pair this holder with our high-performance VCMT 1604 inserts for optimal results.
View Compatible Inserts →Applications & Equipment
Engineered for external longitudinal turning, profiling, and undercutting. Ideal for CNC lathes and automatic lathes in the automotive, aerospace, and general precision engineering industries. Compatible with Haas, Mazak, Doosan, Okuma, and Citizen machines with 20mm tool posts.
Verified Customer Performance
"Excellent Rigidity" - James H. (USA)
Runs perfectly on my Haas. The vibration control is much better than the generic holders I used before.
"Precise Profiling" - Dieter W. (Germany)
The 93-degree angle is perfect for contouring stainless parts. Highly accurate seating for VCMT inserts.
"Qualità industriale" - Marco G. (Italy)
Ottimo supporto, stabilità perfetta durante la finitura. Spedizione veloce.
"Good Finish" - K. Sato (Japan)
Works well for our automatic lathe. The black coating is very durable against heat.
Expert FAQ
A: No, the SVJCR is a Right-Hand (R) tool holder. For left-hand operations, please search for SVJCL2020K16.
A: Yes! Simply pair it with a VCGT (polished) insert for exceptional surface finish on non-ferrous materials.
A: The 16 size insert provides a longer cutting edge and higher structural strength, allowing for deeper profiling and better stability in 20mm shanks.
Grade Tips: VP15TF for universal use; UE6020 for carbon steel; US735 for stainless steel.
Equivalent Models: Sandvik SVJCR-2020K16, Kennametal SVJCR2020K16, Iscar SVJCR-2020-K16.
Troubleshooting: If vibration occurs, check your center height. Ensure the tool overhang is less than 3x the shank width.
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.