Mitsubishi QOMT1856R-M2 VP15TF Milling Insert | Genuine MMC Japan
Price shown is a starting point. Contact us for a precise quote based on your requirements.
QOMT1856R-M2 VP15TF
Mitsubishi Materials | AQX Series Maximum-Size Multifunctional Milling Insert
The Mitsubishi QOMT1856R-M2 VP15TF is the largest, most robust indexable milling insert in the prestigious AQX multifunctional cutter family. Designed for high-metal removal rates (MRR), this "18" size insert is the definitive choice for heavy-duty CNC milling, deep pocketing, and high-efficiency ramping. Engineered with the -M2 medium-cut chipbreaker and the proprietary VP15TF Miracle PVD coating, it delivers uncompromising durability when machining stainless steel, carbon steels, and heat-resistant alloys under high-torque conditions.
Technical Specifications
| ISO/Metric Designation | QOMT1856R-M2 |
|---|---|
| ANSI Equivalent | QOMT 65.5 R-M2 |
| Grade / Coating | VP15TF (Miracle Al-Ti-N PVD) |
| Thickness / Width Class | 5.6 mm / 18 mm |
| Chipbreaker Style | -M2 (Optimized Edge Strength) |
VP15TF Miracle PVD Grade
The VP15TF grade utilizes a specialized micro-grain carbide substrate coated with Mitsubishi’s Miracle Al-Ti-N layer. This provides an optimal balance of toughness and oxidation resistance. It is specifically designed to combat built-up edge (BUE) and thermal cracking in milling gummy materials like 316L stainless steel, where extreme heat is generated at the cutting zone.
-M2 High-Strength Geometry
The -M2 chipbreaker is the workhorse for heavy milling. It features a reinforced cutting edge designed to handle the massive cutting resistance encountered in large arbor-style cutters. This geometry ensures stable chip control during high-feed milling, reducing the risk of edge micro-chipping and improving the final thread surface finish and dimensional stability.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed per Tooth ($f_z$) |
|---|---|---|
| Structural & Carbon Steel | 150 - 250 m/min | 0.15 - 0.35 mm/t |
| Stainless Steel (SUS300) | 90 - 160 m/min | 0.12 - 0.25 mm/t |
| Hardened / Alloy Steel | 80 - 150 m/min | 0.10 - 0.28 mm/t |
AQX SERIES COMPATIBILITY
The QOMT1856R-M2 insert is designed for large-scale Mitsubishi AQX Arbor Cutters (Arbor diameters typically 50mm to 100mm+).
View Large AQX Milling Holders →Metric vs. Inch Cross-Reference
| Feature | Metric Designation | Inch Designation (ANSI) |
|---|---|---|
| Insert Size | 18 (18mm Class) | QOMT 6 Class |
| Thickness | 5.6 mm | 0.220 inch |
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.