Mitsubishi TPGX110302L NX2525 | Left-Hand Cermet Finishing Insert
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TPGX110302L NX2525
Mitsubishi Materials | High-Precision Steel Finishing Cermet (Left-Hand)
Advanced Cermet for Mirror Finishing
The Mitsubishi TPGX110302L NX2525 is a high-precision Left-Hand (L) Cermet turning insert. As a G-Class (Ground) insert, it is manufactured to much tighter tolerances than standard pressed inserts, ensuring exceptional repeatability. The NX2525 Cermet grade provides the ultimate chemical stability for high-speed finishing of steel, preventing built-up edge (BUE) and delivering a mirror surface finish that meets the highest industrial standards.
NX2525 High-Speed Cermet | 11° Positive Relief | 0.2mm Sharp Radius
Technical Code Identification
Triangular Shape
11° Positive Relief
G-Class (Ground)
Special Geometry
11mm Edge Length
3.18mm Thick
0.2mm Radius
Left-Hand
ISO (Metric) vs ANSI (Inch) Comparison
| Feature | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | TPGX110302L | TPGX 220.5L |
| Inscribed Circle (IC) | 6.35 mm | 0.250" (1/4") |
| Corner Radius | 0.2 mm | 0.008" |
NX2525 Cermet Substrate
NX2525 is a TiCN-based Cermet grade. It provides a unique balance of hardness and chemical resistance. This long-tail precision insert thrives in high-temperature finishing because it does not chemically react with steel, ensuring a glossy surface even after long machining times.
Ground Finishing Geometry
The ground periphery of the TPGX geometry minimizes vibration in delicate CNC boring operations. With its sharp 0.2mm radius, it is perfect for finishing small bores and intricate profiles where dimensional accuracy is critical.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Mild/Low Carbon Steel | 150 - 350 m/min | 0.03 - 0.10 mm/rev | 0.05 - 0.5 mm |
| Alloy Steel (e.g., 4140) | 120 - 280 m/min | 0.03 - 0.08 mm/rev | 0.05 - 0.4 mm |
COMPATIBLE LEFT-HAND HOLDERS
Optimized for use with Left-Hand (L) tool paths. Pairs perfectly with S-STFPL 11 or S-STGPL 11 boring bars.
Shop 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.