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 |
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.