Mitsubishi CNMG120408-MS VP05RT Miracle PVD Insert for Superalloys (10pcs)
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CNMG120408-MS VP05RT
High-Speed Superalloy Specialist | Miracle PVD VP05RT | MS Sharp Edge
Elite Performance in Heat-Resistant Materials
VP05RT Grade (The High-Temp Specialist): The VP05RT is Mitsubishi’s premium PVD-coated grade for high-speed finishing and medium cutting of **Titanium alloys, Inconel, and Cobalt-chrome**. It features an ultra-smooth Miracle coating over a substrate with extreme thermal deformation resistance. This allows you to increase cutting speeds ($V_c$) compared to traditional PVD grades without sacrificing tool life.
MS Chipbreaker (Precision Shear): The MS geometry is world-renowned for its high rake angle and sharp cutting edge. In high-temp alloys, "rubbing" leads to instant failure; the MS chipbreaker ensures the insert **shears** the material cleanly. This reduces the heat transferred into the tool and eliminates work-hardening of the workpiece.
0.8mm (1/32") Balanced Radius: The 08 radius provides the necessary edge strength to withstand the high specific cutting forces of superalloys while maintaining the ability to achieve superior surface finishes.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CNMG120408-MS | 12.7 mm | 4.76 mm | 0.80 mm |
| Imperial | CNMG432-MS | 1/2" | 3/16" | 0.0315" (1/32") |
High-Speed Parameters for Superalloys
*VP05RT is optimized for higher speeds. High-pressure coolant is mandatory for chip evacuation and temperature control.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Titanium Alloys (Ti-6Al-4V) | 40 - 90 m/min | 0.10 - 0.25 mm/r | 0.50 - 3.00 mm |
| Inconel 718 / Waspaloy | 25 - 60 m/min | 0.08 - 0.22 mm/r | 0.30 - 2.50 mm |
Compatible Tool Holders
For high-temp alloy turning, use rigid DCLNR/L 12 series holders:
Shop DCLNR 12 HoldersPro-Tip: VP05RT vs. VP15TF
VP05RT (Aerospace Expert): Choose this for high-speed finishing where heat is the primary failure mode. It is harder and more heat-resistant than VP15TF.
VP15TF (The Generalist): Choose VP15TF if you are machining a mix of stainless and alloy steels. It is tougher and handles interrupted cuts better than the high-hardness VP05RT.
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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.