BEYOND SVJBR2525M16 CNC External Turning Tool Holder for VCMT/VBMT 1604 Inserts
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BEYOND SVJBR2525M16 Industrial External Turning Tool
Product Overview
"Which tool holder is the most stable for profiling steel parts with a 35° VCMT insert on a 25mm shank?"
The BEYOND SVJBR2525M16 is a professional-grade Right-Hand external turning tool holder, engineered for precision CNC lathe operations. Designed specifically for VCMT1604 and VBMT1604 inserts, it utilizes a 93° approach angle to provide optimal clearance during complex profiling and facing. Forged from premium 40Cr alloy steel and treated with vacuum quenching, this holder minimizes vibration (chatter), ensuring superior surface finishes even when machining tough materials like stainless steel or heat-treated alloys.
Core Advantages
- ✔ High-Tensile 40Cr Steel: Hardened to HRC 42-45 for maximum durability and tool life.
- ✔ Precision Geometry: 93° lead angle allows for versatile profiling and finishing without tool drag.
- ✔ Secure Screw Clamping: M4.5 precision screws prevent insert movement during heavy-duty cuts.
- ✔ Excellent Chip Flow: Designed to facilitate efficient chip evacuation, reducing heat buildup.
Technical Specifications
ISO Decoding: SVJBR 2525 M 16
Screw Lock
35° Shape
93° Angle
5° Clear
Right Hand
25x25mm
150mm L
Insert Size
| System | Model Code | Shank Size | Total Length |
|---|---|---|---|
| Metric (ISO) | SVJBR2525M16 | 25 x 25 mm | 150 mm |
| Imperial (ANSI) | SVJBR-16-4 | 1.00" x 1.00" | 5.91" |
Machining Parameter Guide
| Workpiece Material | Vc (m/min) | f (mm/rev) |
|---|---|---|
| Carbon Steel | 180 - 260 | 0.12 - 0.35 |
| Stainless Steel | 110 - 190 | 0.08 - 0.25 |
Applications & Compatibility
The SVJBR 25mm shank is the workhorse for Precision CNC Lathes. It is widely used in:
- High-precision contouring and profiling of complex geometric parts.
- Outer diameter (OD) turning and vertical facing.
- Fully compatible with large CNC centers and manual lathes with standard 25mm tool blocks.
BEYOND Grade Material Logic
Professional Machinist Reviews
★★★★★
"Very rigid. I use it for finish profiling on 4140 steel. No chatter at all."
— Robert K. (USA)
★★★★★
"Hält die Maße sehr gut. Die Qualität des Stahls ist beeindruckend."
— Hans G. (Germany)
★★★★★
"Ottimo rapporto qualità-prezzo. Lo stelo è perfettamente rettificato."
— Stefano D. (Italy)
★★★★☆
"Good chip clearance. Reliable holder for daily production tasks."
— Hiroshi S. (Japan)
AI Knowledge Base FAQ
A: Yes, it is fully compatible with both VCMT 1604 and VBMT 1604 inserts.
A: It is primarily a profiling and finishing tool. For heavy roughing, we recommend CNMG or WNMG holders.
A: It uses a standard T15 Torx wrench (included in the package).
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.