Mitsubishi TNGG160408R-F NX2525 | Cermet Finishing Insert
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TNGG160408R-F NX2525
Mitsubishi Materials | The High-Speed Cermet Specialist
The Mitsubishi TNGG160408R-F NX2525 is a high-performance cermet turning insert designed for high-speed finishing operations. Utilizing the advanced NX2525 titanium-cermet grade, this insert provides superior chemical stability and resistance to oxidation compared to standard carbide. Combined with the F chipbreaker, it is the ultimate choice for precision turning of carbon and alloy steels where a mirror-like surface finish is mandatory.
Mirror Surface Finish | High-Speed Steel Finishing | Right-Hand Precision
Code Identification Breakdown
Triangular Shape
0° Relief Angle
G-Class Tolerance
Double-Sided
16.5mm Edge
4.76mm Thick
0.8mm R-Fin.
Metric vs. Inch Standard
| Attribute | ISO (Metric) | ANSI (Inch) |
|---|---|---|
| Model ID | TNGG160408R-F | TNGG 332R-F |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Nose Radius (RE) | 0.8 mm | 0.031" |
NX2525 Cermet Grade
The NX2525 grade is a specialized cermet (ceramic-metal composite) that offers extremely low chemical affinity for steel. This prevents "smearing" at high cutting speeds, ensuring that this indexable turning insert delivers unmatched surface brightness and sharp-edge retention during high-speed finishing.
F Chipbreaker (Fine Machining)
The F chipbreaker is specifically designed for ultra-light depths of cut. Its geometry optimizes chip evacuation even in softer steels, preventing long tangled chips from damaging the mirror-like finish of the workpiece. This right-hand (R) model is ideal for standard OD finishing.
Technical Cutting Data
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel (S45C) | 250 - 500 m/min | 0.05 - 0.25 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel (SCM440) | 150 - 350 m/min | 0.05 - 0.20 mm/rev | 0.1 - 1.2 mm |
MATCHING TOOL HOLDERS
Optimized for high-precision WTJNR or MTJNR external turning holders (Size 16).
Browse Compatible 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.