Mitsubishi TPMN160308 VP15TF | Miracle Coated Carbide Insert
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TPMN160308 VP15TF
Mitsubishi Materials | PVD Miracle Coated Multi-Material Specialist
The Miracle Grade for Tough Alloys & Stainless
The Mitsubishi TPMN160308 VP15TF is a high-versatility PVD coated carbide insert engineered to conquer difficult-to-cut materials. Utilizing the proprietary Miracle Coating (VP15TF), this insert offers a perfect balance of micro-grain toughness and high-temperature hardness. With a robust 0.8mm corner radius and a 16mm triangular edge, it is the industry benchmark for CNC boring and turning in Stainless Steel, Carbon Steel, and Heat-Resistant Super Alloys.
VP15TF Miracle Coated | TPMN Flat-Top | Stainless & Alloy Specialist
Technical Code Identification
Triangular Shape
11° Positive Relief
M-Class Tolerance
Flat-Top (No Chipbreaker)
16.5mm Edge Length
3.18mm Thick
0.8mm Radius
Miracle Coated
ISO (Metric) vs ANSI (Inch) Comparison
| Feature Spec | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | TPMN160308 | TPMN 322 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8") |
| Corner Radius | 0.8 mm | 0.031" (1/32") |
Miracle PVD Coating Advantage
The VP15TF grade is a specialized PVD coated carbide featuring a micro-grain substrate and a high-aluminum content (Al,Ti)N coating. This combination provides excellent oxidation resistance and prevents chip welding. It is specifically designed to handle the work-hardening characteristics of 304 and 316 Stainless Steel, ensuring long tool life even in unstable cutting conditions.
TPMN Flat-Top Geometry
The TPMN geometry is a flat-top (no chipbreaker) design. This provides a very strong cutting edge that excels in heavy-duty boring and turning. By utilizing a sharp, positive 11° relief angle without a molded chipbreaker, the insert reduces cutting forces while maintaining the physical strength required for interrupted cuts and roughing passes.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Stainless Steel (304/316) | 80 - 180 m/min | 0.10 - 0.25 mm/rev | 0.5 - 2.5 mm |
| Carbon/Alloy Steel | 120 - 250 m/min | 0.12 - 0.30 mm/rev | 1.0 - 3.0 mm |
COMPATIBLE HOLDERS
Perfectly paired with CTFPR/L 16 or CTGPR/L 16 style external holders and boring bars.
Shop 16mm Boring Bars →
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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.