Mitsubishi TPGH090204L-FS NX2525 | Left-Hand Cermet Turning Insert
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TPGH090204L-FS NX2525
Mitsubishi Materials | High-Performance Mirror-Finish Cermet
The Mitsubishi TPGH090204L-FS NX2525 is a premium Left-Hand (L) cermet insert designed for high-speed finishing. Featuring the titanium-based NX2525 grade, this insert excels in chemical stability, preventing built-up edge (BUE) during CNC machining. The FS chipbreaker is engineered for ultra-fine precision, making it a critical long-tail precision tool for achieving mirror finishes on carbon and alloy steels.
11° Positive Relief | FS Super-Finish Geometry | Cermet P05-P20
Code Identification Breakdown
Triangular Shape
11° Positive Relief
G-Tolerance
Hole/Chip Feature
9mm Edge Length
2.38mm Thick
0.4mm Radius
Left-Hand
Super Finish
ISO (Metric) vs ANSI (Inch) Comparison
| Tech Detail | ISO (Metric) | ANSI (Inch) |
|---|---|---|
| Part Number | TPGH090204L-FS | TPGH 21.51L FS |
| Inscribed Circle | 5.56 mm | 0.219" (7/32") |
| Nose Radius | 0.4 mm | 0.016" (1/64") |
NX2525 Cermet Grade
The NX2525 Cermet grade is a specialized titanium-based composite. Cermet stays harder at higher speeds than tungsten carbide and has a very low affinity for steel. This ensures the lathe turning process remains precise with high dimensional stability and a brilliant surface finish.
FS Chipbreaker Advantage
The FS chipbreaker is a G-class finishing geometry with a high-positive rake. It is optimized for light cutting loads and excellent chip evacuation. It prevents stringy chips from scratching the workpiece, which is vital for internal boring and high-precision components.
Recommended Cutting Parameters
| Workpiece Material | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon & Alloy Steel | 150 - 350 m/min | 0.05 - 0.15 mm/rev | 0.1 - 1.0 mm |
| Ductile Cast Iron | 120 - 280 m/min | 0.08 - 0.20 mm/rev | 0.1 - 0.8 mm |
COMPATIBLE LEFT-HAND HOLDERS
This is a Left-Hand (L) insert. Use with standard STFPL or STGPL Left-Hand tool holders and 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.