Mitsubishi VNMG160408-SH NX2525 Cermet Insert | VNMG 332
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Mitsubishi VNMG160408-SH NX2525
Premium Cermet Grade for High-Precision Steel Finishing
The Mitsubishi VNMG160408-SH NX2525 is a professional-grade 35° rhombic negative cermet turning insert. Unlike traditional carbide, the NX2525 cermet grade utilizes a ceramic-metal composite to deliver a mirror-like high surface finish on steel workpieces. This VNMG 332-SH ANSI equivalent is optimized for high-speed finishing where dimensional accuracy and aesthetic gloss are the top priorities.
Detailed Model Nomenclature
Decoding the precision engineering behind the VNMG160408-SH identification code:
| Code | Specifications |
|---|---|
| V | Shape: 35° Rhombic (Diamond) |
| N | Clearance Angle: 0° (Negative) |
| M | Tolerance Class: Medium Precision Ground |
| G | Feature: Double-Sided with Hole |
| 16 | Size: ~16mm Cutting Edge Length |
| 04 | Thickness: 4.76mm |
| 08 | Nose Radius: 0.8mm (Medium Finishing) |
| SH | Chipbreaker: Finishing for Soft/Carbon Steel |
Global Interchangeability: ISO vs. ANSI
This precision finishing tool is standardized for global CNC machining centers:
- ISO (Metric): VNMG160408-SH
- ANSI (Imperial): VNMG 332-SH
NX2525 Cermet & SH Geometry
NX2525 Cermet Grade: Cermet (Ceramic + Metal) provides a high chemical affinity for steel, which prevents "built-up edge" (BUE). The NX2525 micro-grain cermet allows for much higher cutting speeds than standard carbide, ensuring the tool maintains a sharp edge for high-precision steel finishing.
SH Chipbreaker: The SH geometry is specifically designed for finishing at low depths of cut. It features a sharp rake angle that reduces cutting resistance and minimizes work hardening on the workpiece, resulting in a superior surface gloss.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (Finishing) | 150 - 350 m/min | 0.08 - 0.25 mm/rev | 0.3 - 1.5 mm |
| Alloy Steel (Finishing) | 120 - 280 m/min | 0.05 - 0.20 mm/rev | 0.3 - 1.2 mm |
System Integration
For maximum surface quality, pair this VNMG 332 insert with our high-rigidity tool holders.
Shop Compatible DVJNR/L Tool HoldersSelection Tip: Cermet vs. Carbide
NX2525 Cermet is superior for high-speed finishing and mirror finishes. However, if your application involves heavy interrupted cuts or roughing, carbide grades like UE6110 or MC6025 are recommended for better impact resistance.
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.