Mitsubishi TCMT16T308 NX2525 | Mirror Finish Cermet Turning Insert
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TCMT16T308 NX2525
Mitsubishi Materials | High-Efficiency Cermet for Precision Finishing
The Mitsubishi TCMT16T308 NX2525 is a high-performance cermet turning insert designed for steel finishing operations that require both superior surface gloss and increased edge durability. Utilizing the NX2525 uncoated cermet grade, this insert provides exceptional chemical stability at high speeds. This long-tail precision tool is your first choice for preventing built-up edge (BUE) and achieving mirror-finish results on carbon and alloy steels.
Cermet Technology | 0.8mm Radius | Genuine Mitsubishi Japan
ISO Designation Breakdown
Triangular Shape
7° Relief Angle
M-Class Tolerance
Fixing Hole
16.5mm Edge
3.97mm Thick
0.8mm Radius
Global Size Standards
| Parameter | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Model Reference | TCMT16T308 | TCMT 32.52 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Thickness (S) | 3.97 mm | 0.156" |
| Nose Radius (RE) | 0.8 mm | 0.031" |
Grade: NX2525 Cermet
NX2525 is a high-purity uncoated cermet grade. By combining ceramic stability with metallic toughness, it provides an extremely sharp edge that stays keen longer than traditional carbide when finishing steel. Its resistance to chemical wear makes it ideal for high-speed CNC turning without the risk of workpiece smearing.
0.8mm Radius Strength
The 0.8mm nose radius ($RE$) significantly improves edge strength compared to the 0.4mm version. This allows for higher feed rates and greater stability during continuous cuts. The TCMT positive geometry ensures lower cutting forces, which is essential for indexable finishing inserts in light machining applications.
Recommended Cutting Data
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Low Carbon Steel | 150 - 350 m/min | 0.10 - 0.25 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel | 120 - 280 m/min | 0.08 - 0.20 mm/rev | 0.2 - 1.2 mm |
HOLDER COMPATIBILITY
Perfectly paired with STFCR/L boring bars and STGCR/L external turning tools.
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