Mitsubishi CNMG120404-MS VP15TF Precision Finishing Insert (10pcs)
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CNMG120404-MS VP15TF
The Miracle Finisher | PVD VP15TF Grade | MS High-Sharpness Geometry
Precision Engineering for Difficult Materials
VP15TF Miracle Grade (The PVD Standard): The VP15TF grade is Mitsubishi’s proprietary PVD-coated carbide, featuring a specialized Al-Ti-N Miracle coating. Unlike thick CVD coatings that round off the cutting edge, this PVD layer allows the insert to remain razor-sharp. This is essential for preventing the "tearing" of material in stainless steel and heat-resistant alloys, ensuring the highest surface integrity.
MS Chipbreaker (Finishing Precision): The MS geometry is specifically designed for low depths of cut. It features a sharp rake angle that shears material with minimal pressure. This prevents work hardening—a common failure in 304/316 stainless—and ensures that chips are broken cleanly even at very fine feed rates.
0.4mm (1/64") Radius: The small corner radius minimizes radial cutting forces. This makes it the ideal tool for machining small diameters or thin-walled components where vibration and part deflection are major concerns.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CNMG120404-MS | 12.7 mm | 4.76 mm | 0.40 mm |
| Imperial | CNMG431-MS | 1/2" | 3/16" | 0.0157" (1/64") |
Precision Finishing Parameters
*The VP15TF grade is designed for medium-to-low speeds to prevent thermal deformation of the sharp edge.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Stainless Steel (304/316) | 80 - 180 m/min | 0.05 - 0.18 mm/r | 0.20 - 1.50 mm |
| High-Temp Alloys (Inconel) | 30 - 65 m/min | 0.05 - 0.15 mm/r | 0.15 - 1.00 mm |
Compatible Tool Holders
Ensure high precision with DCLNR/L 12 or MCLNR/L 12 series holders:
Shop DCLNR 12 HoldersPro-Tip: Choosing the Right Grade
VP15TF vs. US735: Use VP15TF for precision finishing where setup is stable and surface finish is the priority. Switch to US735 if you encounter heavy interruptions or unstable vibrations.
MS vs. MA Geometry: Choose MS when your depth of cut is less than 1.5mm. For larger removal rates, the MA geometry provides a stronger edge.
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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.