Mitsubishi CNMG120412-MA VP15TF Miracle PVD Roughing Insert (10pcs)
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CNMG120412-MA VP15TF
Heavy Roughing Specialist | Miracle PVD Coating | 1.2mm Reinforced Edge
Maximum Edge Security for Tough Materials
VP15TF Miracle Grade (The PVD Powerhouse): The VP15TF utilizes Mitsubishi’s proprietary PVD technology. Unlike CVD coatings which can be brittle, the Miracle PVD coating adheres to a micro-grain substrate that is exceptionally tough. It is designed to resist Built-up Edge (BUE) and notching, which are the primary failure modes when roughing Stainless Steel and High-Temp Alloys.
MA Chipbreaker (Roughing Strength): The MA geometry on this 12-radius platform provides a wider chip-breaking range. It is engineered to handle higher feed rates and deeper cuts (Ap) while ensuring that chips are broken into manageable "C" shapes, protecting the workpiece and the machine from "bird-nesting."
1.2mm (3/64") Reinforced Radius: The 1.2mm corner is the strongest in the CNMG1204 series. It distributes cutting forces over a larger area, significantly reducing the risk of catastrophic corner fracture during heavy roughing of scaled forgings or interrupted cuts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CNMG120412-MA | 12.7 mm | 4.76 mm | 1.20 mm |
| Imperial | CNMG433-MA | 1/2" | 3/16" | 0.0472" (3/64") |
Heavy Roughing Parameters
*The 1.2mm radius allows for much higher feed rates. Always use high-pressure coolant to manage heat in the cutting zone.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Stainless Steel (316L/Duplex) | 80 - 160 m/min | 0.25 - 0.50 mm/r | 1.50 - 5.00 mm |
| Heat Resistant Alloys (Inconel) | 25 - 60 m/min | 0.15 - 0.35 mm/r | 1.00 - 3.50 mm |
Compatible Tool Holders
Maximum rigidity is vital for 1.2mm radius roughing. Fits DCLNR/L 12 series holders:
Shop DCLNR 12 HoldersPro-Tip: Why use 12-radius VP15TF?
Corner Security: In large-scale roughing of stainless steel, the heat is intense. The 1.2mm radius dissipates heat more efficiently than a 0.8mm radius.
VP15TF vs US735: While US735 is a dedicated stainless grade, VP15TF (Miracle) offers better performance across a wider range of alloys and general steel, making it the better choice for diverse job shops.
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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.