BEYOND SVVBN2525M11 External Turning Tool Holder 25mm Shank for VBMT1103
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BEYOND SVVBN2525M11 External Turning Tool Holder
Product Overview
"Which 25mm neutral-hand holder is most effective for 72.5° profiling and fine finishing with VBMT 11 inserts?"
The BEYOND SVVBN2525M11 is a high-precision, neutral-hand (N) external turning tool holder with a robust 25x25mm shank. Specifically engineered for 35° rhombic VBMT 1103 or VCMT 1103 inserts, it is the industrial standard for finishing and profiling operations. Its 72.5° approach angle allows for exceptional clearance when machining complex geometries, delivering high dimensional accuracy and superior surface finishes in steel, stainless steel, and non-ferrous materials.
Key Features
- ✔Superior Alloy Steel: Vacuum-hardened to HRC 42-45 for maximum tool body life and vibration dampening.
- ✔Precision Profiling Geometry: 72.5° lead angle ensures minimal interference during intricate contouring.
- ✔S-Type Screw Clamping: Low-profile clamping system maximizes chip flow and clearance in tight spaces.
- ✔High Rigidity 25mm Shank: Provides a stable platform for high-speed finishing passes.
Technical Specifications
| ISO Model | Metric (mm) | Imperial (Inch) |
|---|---|---|
| Shank Size (H x W) | 25 x 25 mm | ~1" x 1" |
| Overall Length (L) | 150 mm | 5.91" |
| Compatible Insert | VBMT1103 / VCMT1103 | VBMT 22x series |
Machinist Recommended Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
| Carbon Steel (P) | 160 - 280 m/min | 0.05 - 0.25 mm/rev |
| Stainless (M) | 100 - 180 m/min | 0.05 - 0.15 mm/rev |
Decoding the SVVBN2525M11 Model
Screw Cl.
35° Shape
72.5° Lead
5° Clear.
Neutral
25mm Shank
150mm L
Insert Size
Essential Tooling Pairing
Achieve peak performance by pairing this holder with our high-grade VBMT 1103 inserts.
View VBMT 1103 Inserts →Applications & Compatibility
The 25mm shank size is designed for medium-to-heavy CNC lathes and multi-tasking machines. It is the preferred choice for external profiling, longitudinal turning, and intricate finishing passes on workpieces where tool clearance is critical. Fully compatible with turret systems from Mazak, Haas, Okuma, Doosan, and DMG Mori.
Verified Industrial Feedback
"Excellent Profiling Stability"
Mark T. (USA) - Switched to BEYOND for our stainless profiling runs. Rigid holder, zero vibration issues.
"Perfekte Passform"
H. Schmidt (Germany) - The 25mm shank fits our DMG turret perfectly. Very accurate center height.
"High-End Finish"
Giovanni R. (Italy) - Using this with the VBMT 1103 for finishing passes on alloy shafts. Finish is outstanding.
"Consistent Quality"
K. Sato (Japan) - Standard ISO fit. Reliable performance on daily CNC production lines.
Industrial Support FAQ
A: As a neutral (N) hand holder, it can be utilized in various orientations, making it highly versatile for profiling and multi-directional turret setups.
A: This specific holder (SVVBN2525M11) is dedicated to the smaller VBMT 11 size. Use this for finer finishing and tighter profiles where the larger 16 size may be too bulky.
A: Yes, each BEYOND holder is shipped complete with the correct Torx wrench and insert clamping screw.
Material Tip: For high-speed steel turning, pair with BEYOND BY815 grade. For heat-resistant alloys, use BYM25.
Equivalent Models: Sandvik SVVBN-2525M11, Kennametal SVVBN2525M11, Iscar SVVBN-2525-M11.
Troubleshooting: If tool wear is rapid, check the spindle speed (Vc) and ensure coolant is directed precisely at the cutting edge.
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.