Mitsubishi TNMG160408L-2G NX2525 | Left-Hand Cermet Insert
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TNMG160408L-2G NX2525
Mitsubishi Materials | The Mirror-Finish Cermet Standard (Left-Hand)
Precision Engineering Overview
The Mitsubishi TNMG160408L-2G NX2525 represents the pinnacle of Cermet turning insert technology. Designed for Left-Hand (L) tool holders, this insert features the NX2525 grade—a titanium-based composite that excels in high-speed finishing and semi-finishing. As a specialized long-tail precision tool, it is engineered to deliver a superior surface luster on carbon and alloy steels, outperforming standard carbide in CNC machining environments where oxidation resistance is critical.
High-Velocity Finishing | P05-P20 Application | 0.8mm Corner Radius
Model Code Identification
Triangular Shape
0° Relief Angle
M-Class Tolerance
Hole/Chip Feature
16.5mm Edge
4.76mm Thick
0.8mm Radius
Left-Hand
Finishing Breaker
ISO (Metric) vs ANSI (Inch) Standards
| Specification | ISO Model (Metric) | ANSI Model (Inch) |
|---|---|---|
| Model ID | TNMG160408L-2G | TNMG 332L 2G |
| Inscribed Circle | 9.525 mm | 0.375" (3/8") |
| Corner Radius | 0.8 mm | 0.031" (1/32") |
NX2525 Cermet Advantage
The NX2525 Cermet grade provides extreme thermal stability and lower affinity for ferrous metals compared to tungsten carbide. This eliminates built-up edge (BUE), making it the primary choice for lathe turning operations requiring mirror-like surface finishes and high-speed efficiency.
2G Chipbreaker Logic
The 2G chipbreaker is an G-class geometry specifically designed for light cutting loads. It maintains excellent chip evacuation even at shallow depths of cut, ensuring consistent dimensional accuracy and preventing surface scratching in CNC machining cycles.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel (S45C) | 180 - 420 m/min | 0.10 - 0.35 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel (SCM440) | 150 - 350 m/min | 0.08 - 0.30 mm/rev | 0.2 - 1.2 mm |
REQUIRED LEFT-HAND HOLDERS
This is a Left-Hand (L) insert. Use standard MTJNL 1616 or WTJNL 1616 holders.
Shop Left-Hand 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.