Mitsubishi TNMG160412 NX2525 | High-Feed Cermet Turning Insert
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TNMG160416 NX2525
Mitsubishi Materials | The Heavy-Duty Mirror Finish Cermet
The Mitsubishi TNMG160416 NX2525 is a high-performance cermet turning insert engineered for precision finishing with an emphasis on edge strength. Utilizing the NX2525 titanium-cermet grade, this insert provides exceptional chemical stability and resistance to built-up edge (BUE). With its large 1.6mm nose radius, it is the ultimate long-tail precision tool for high-feed stable turning of carbon and alloy steels, ensuring a mirror-like surface finish even in demanding conditions.
High-Feed Finishing | Titanium Cermet | 1.6mm Heavy-Duty Radius
Code Identification Breakdown
Triangular Shape
0° Relief Angle
M-Class Tolerance
Double Sided
16.5mm Edge
4.76mm Thick
1.6mm Radius
Global Standard Reference
| Technical Spec | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Model Number | TNMG160416 | TNMG 334 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Nose Radius (RE) | 1.6 mm | 0.063" |
NX2525 Titanium Cermet
The NX2525 grade is Mitsubishi’s premier micro-grain cermet. Unlike standard carbide, cermet has a low affinity for metal, which virtually eliminates the welding of work material to the edge. This makes it the top choice for precision machining where surface brightness and dimensional accuracy are critical.
1.6mm Radius Advantage
The larger 1.6mm nose radius on this indexable turning insert provides superior edge strength and allows for higher feed rates without sacrificing surface finish quality. It is ideal for larger workpieces or when high productivity in a finishing pass is required.
Recommended Cutting Parameters
| Material Group | Cutting Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel (S45C) | 150 - 350 m/min | 0.15 - 0.40 mm/rev | 0.5 - 2.5 mm |
| Alloy Steel (SCM440) | 100 - 300 m/min | 0.15 - 0.35 mm/rev | 0.5 - 2.0 mm |
COMPATIBLE TOOLING
Optimized for high-stability MTJNR/L or WTJNR/L external turning tool holders (Size 16).
View Size 16 Tool Holders →
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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.