Mitsubishi SNMG090304 NX2525 Turning Insert | Cermet Finishing
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SNMG090304 NX2525
Mitsubishi Materials | High-Gloss Cermet Precision Finishing
The Mitsubishi SNMG090304 NX2525 is a high-performance cermet turning insert designed for high-precision finishing. Utilizing the NX2525 cermet grade, it offers a perfect balance of toughness and wear resistance. Unlike standard carbide, this TiCN-based cermet has a low affinity for workpiece materials, virtually eliminating built-up edge (BUE) and producing a superior mirror surface finish on carbon and alloy steels.
Packaging: Genuine Mitsubishi Box of 10 Inserts
ISO Designation Decoded
Square 90°
0° Relief
M-Class Tol.
Double Sided
9.5mm Size
3.18mm Thick
0.4mm Radius
Technical Specifications
| Feature | Metric Designation | Inch (ANSI) Designation |
|---|---|---|
| Model Name | SNMG090304 | SNMG 321 |
| Inscribed Circle ($IC$) | 9.525 mm | 0.375" (3/8") |
| Thickness ($S$) | 3.18 mm | 0.125" (1/8") |
| Corner Radius ($RE$) | 0.4 mm | 0.016" (1/64") |
NX2525 Cermet Grade
The NX2525 grade is a premium micro-grain cermet. It provides high thermal stability and chemical resistance, making it the industry standard for high-speed finishing of steel. It retains sharp cutting edges longer than coated carbide, ensuring dimensional accuracy throughout large production runs.
Standard Chipbreaker Geometry
The SNMG geometry provides a double-sided configuration for maximum economy. When paired with Mitsubishi's precision chip control, this insert excels at light finishing to medium cutting. It ensures consistent chip breaking at small depths of cut, which is essential for maintaining a high surface finish quality.
Recommended Cutting Parameters
Optimized for Steel Finishing (Dry Machining Preferred)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Mild / Carbon Steel | 150 - 300 m/min | 0.05 - 0.20 mm/rev | 0.2 - 1.5 mm |
| Alloy Steel | 120 - 250 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.0 mm |
TOOL HOLDER COMPATIBILITY
Pairs perfectly with standard PSSNR/L or DSBNR/L turning tool holders for 09-sized inserts.
Shop Turning Tool 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.