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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This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.