Mitsubishi TPGH160304L-FS NX2525 | Left-Hand Cermet Finish Insert
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TPGH160304L-FS NX2525
Mitsubishi Materials | The Standard for Mirror-Finish Cermet (Left-Hand)
Precision Finishing Overview
The Mitsubishi TPGH160304L-FS NX2525 is a high-precision Left-Hand (L) cermet turning insert engineered for super-finishing applications. Featuring the titanium-based NX2525 grade, it provides unmatched chemical stability and resistance to built-up edge (BUE). The FS chipbreaker is specifically designed for ultra-fine finishing, making this a critical long-tail precision tool for CNC machining of carbon and alloy steels where a reflective surface luster is required.
11° Positive Relief | FS Super-Finish Breaker | High-Speed Cermet
Technical Code Identification
Triangular Shape
11° Positive Relief
G-Class Tolerance
Hole/Chip Feature
16mm Edge
3.18mm Thick
0.4mm Radius
Left-Hand
Finish Breaker
Metric (ISO) vs Inch (ANSI) Equivalent
| Tech Details | ISO Model (Metric) | ANSI Model (Inch) |
|---|---|---|
| Part Number | TPGH160304L-FS | TPGH 321L FS |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8") |
| Corner Radius | 0.4 mm | 0.016" (1/64") |
NX2525 Cermet Advantage
The NX2525 grade is a titanium-based cermet. Unlike tungsten carbide, it has a low affinity for ferrous metals, preventing built-up edge (BUE). This is essential for lathe turning operations requiring mirror-like surface quality and high-speed efficiency.
FS "Super-Finish" Breaker
The FS chipbreaker features an exceptionally sharp rake and high positive geometry. It provides excellent chip evacuation even at extremely low feed rates, ensuring a clean surface on internal CNC boring cycles.
Recommended Cutting Parameters
| Workpiece Material | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon & Alloy Steel | 180 - 420 m/min | 0.05 - 0.15 mm/rev | 0.1 - 0.8 mm |
| Stainless Steel (300/400) | 120 - 250 m/min | 0.05 - 0.12 mm/rev | 0.1 - 0.6 mm |
REQUIRED LEFT-HAND HOLDERS
This is a Left-Hand (L) insert. Use standard STFPL 16 or STGPL 16 holders and boring bars.
Shop Left-Hand 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.