Mitsubishi TPMN220412 VP15TF | Heavy-Duty Miracle Coated Insert
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TPMN220412 VP15TF
Mitsubishi Materials | Heavy-Duty PVD Miracle Coated Specialist
Unmatched Toughness for Large-Scale Boring
The Mitsubishi TPMN220412 VP15TF is a heavy-duty PVD coated carbide insert designed for the most demanding machining environments. Utilizing the proprietary Miracle Coating (VP15TF), this insert excels in materials that are prone to work-hardening, such as 300-series Stainless Steel and Inconel. With a massive 22mm edge and a 1.2mm corner radius, this long-tail roughing insert provides incredible edge security during CNC boring of large-diameter components.
VP15TF Miracle PVD | TPMN Flat-Top Strength | 1.2mm Roughing Radius
Technical Code Identification
Triangular Shape
11° Positive Relief
M-Class Tolerance
Flat-Top (No Chipbreaker)
22mm Edge Length
4.76mm Thick
1.2mm Radius
Miracle Coated
ISO (Metric) vs ANSI (Inch) Comparison
| Feature Spec | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | TPMN220412 | TPMN 433 |
| Inscribed Circle (IC) | 12.7 mm | 0.500" (1/2") |
| Thickness | 4.76 mm | 0.187" (3/16") |
Miracle Coated (VP15TF) Carbide
VP15TF is a high-performance PVD coated grade that uses a Nano-structure TiAlN coating. This coating is incredibly effective at resisting "Built-Up Edge" (BUE) and thermal cracking. It is the go-to grade for Stainless Steel, and it offers the toughness required for interrupted cuts in heavy alloy steel roughing.
TPMN Heavy Roughing Geometry
The TPMN geometry is a flat-top design with a positive 11-degree relief. By omitting a chipbreaker, Mitsubishi provides the maximum possible carbide volume behind the edge. This is critical when using a 1.2mm radius for heavy depth of cut (DOC) operations, ensuring the insert won't fracture under high pressure.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Stainless Steel (304/316) | 80 - 160 m/min | 0.15 - 0.40 mm/rev | 1.0 - 5.0 mm |
| Alloy Steel / Hardened | 100 - 220 m/min | 0.15 - 0.45 mm/rev | 1.0 - 6.0 mm |
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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.