Mitsubishi TPGX080202L NX2525 | Left-Hand Cermet Finishing Insert
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TPGX080202L NX2525
Mitsubishi Materials | High-Speed Steel Finishing Cermet (Left-Hand)
Superior Surface Finish Technology
The Mitsubishi TPGX080202L NX2525 is an ultra-precision Left-Hand (L) Cermet insert. Engineered for high-velocity finishing, the NX2525 Cermet grade offers incredible resistance to oxidation and material welding (BUE). This makes it the ideal long-tail precision tool for CNC boring and finishing of carbon, alloy, and mild steels where a mirror surface finish is the primary requirement.
Premium NX2525 Cermet | 11° Positive Relief | Precision Ground Edge
Technical Code Identification
Triangular Shape
11° Positive Relief
G-Class (Ground)
Special Specification
8mm Edge Length
2.38mm Thick
0.2mm Radius
Left-Hand
ISO (Metric) vs ANSI (Inch) Reference
| Technical Spec | ISO Model (Metric) | ANSI Model (Inch) |
|---|---|---|
| Part Number | TPGX080202L | TPGX 1.51.50.5L |
| Inscribed Circle (IC) | 4.76 mm | 0.187" (3/16") |
| Corner Radius | 0.2 mm | 0.008" |
NX2525 Cermet Grade
The NX2525 grade is a general-purpose Cermet. It excels in chemical stability, meaning it does not react with steel at high temperatures. This prevents the cutting edge from dulling via chemical wear, ensuring your aluminum finishing (if non-ferrous) or steel finishing remains ultra-consistent over long production runs.
TPGX Precision Edge
The TPGX geometry is fully ground (G-Class), providing much tighter tolerances than pressed (M-Class) inserts. This is crucial for boring bar applications where small diametrical changes significantly affect part quality.
Recommended Cutting Parameters
| Workpiece Material | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Low Carbon / Mild Steel | 150 - 350 m/min | 0.03 - 0.10 mm/rev | 0.05 - 0.5 mm |
| Alloy Steel (4140/8620) | 120 - 280 m/min | 0.03 - 0.08 mm/rev | 0.05 - 0.4 mm |
COMPATIBLE LEFT-HAND HOLDERS
Designed for Left-Hand (L) setups. Pairs with S-STFPL or S-STGPL style boring bars.
View Compatible Tooling →
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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.