Mitsubishi VCMT110304 NX2525 Carbide Insert | VCMT 221
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Mitsubishi VCMT110304 NX2525
High-Precision Cermet Grade for Superior Surface Finishing
The Mitsubishi VCMT110304 NX2525 is a premium 35° rhombic positive displacement cermet insert designed specifically for the high-speed finishing of steel and ductile cast iron. Unlike traditional carbide, the NX2525 cermet grade provides exceptional resistance to built-up edge (BUE) and oxidation, ensuring a mirror-like surface finish on your workpieces.
Ideal for CNC lathe precision turning, this insert is your first choice when surface quality and dimensional accuracy are non-negotiable.
Technical Nomenclature Breakdown
| Code | Description |
|---|---|
| V | Shape: 35° Rhombic Diamond |
| C | Clearance Angle: 7° (Positive) |
| M | Tolerance Class: Medium Precision |
| T | Feature: Hole & Single-Sided Chipbreaker |
| 11 | Cutting Edge Length (Approx. 11mm) |
| 03 | Thickness: 3.18mm |
| 04 | Nose Radius: 0.4mm (Fine Finishing) |
Cross-Reference: Metric vs. Inch
This insert follows international ISO and ANSI standards for easy tool holder compatibility:
- Metric (ISO) Model: VCMT110304
- Imperial (ANSI) Model: VCMT 221
Advanced Material Technology
NX2525 Cermet Grade: Cermet (Ceramic-Metal composite) is renowned for its high chemical stability. The NX2525 grade is a versatile, uncoated cermet that provides an excellent balance of wear resistance and toughness. It excels in stable cutting conditions, preventing the material from sticking to the tool (BUE).
Chipbreaker Geometry: Designed for light depths of cut, this chipbreaker ensures smooth chip evacuation at high speeds, reducing heat buildup and protecting the cutting edge.
Cutting Parameters (Recommended)
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Low Carbon Steel | 150 - 350 m/min | 0.05 - 0.20 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel | 100 - 250 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.0 mm |
Need a Professional Holder?
Compatible with standard SVJCR and SVQCR turning tools.
Browse Compatible SVJCR Tool HoldersPro-Tip: Grade Comparison
Use NX2525 when you need the highest surface gloss on steel. If you are machining under unstable or interrupted cutting conditions, consider switching to VP15TF (PVD coated carbide) for higher impact resistance. For mass production of stainless steel, US735 is the preferred choice.
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.