Mitsubishi DCMT070204-MV NX2525 Cermet Turning Insert for High-Gloss Finish
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DCMT070204-MV NX2525
High-Gloss Cermet | MV Versatile Chipbreaker | Steel Finishing Master
Superior Surface Finish via Cermet Technology
NX2525 Cermet Grade: The NX2525 is a Titanium Carbonitride (TiCN) based Cermet. Unlike standard tungsten carbide, Cermet has a very low affinity for ferrous metals. This means even at high cutting temperatures, the steel won't "stick" to the insert. The result is a mirror-like surface finish and incredible dimensional consistency over long production runs.
MV Chipbreaker (Medium-Finishing): The MV (Medium-V) geometry is designed for stability. While finishing chipbreakers can often be fragile, the MV profile provides excellent chip evacuation across a wider range of depths ($Ap$) and feed rates. It is the perfect "set-and-forget" geometry for automated CNC turning.
0.4mm Radius (The Industry Standard): The "04" (1/64") nose radius is the ideal balance for finishing. It provides enough strength to resist micro-chipping while remaining sharp enough to reduce cutting forces and prevent vibration on smaller CNC lathes.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT070204-MV | 6.35 mm | 2.38 mm | 0.40 mm |
| Imperial | DCMT21.51-MV | 1/4" | 3/32" | 0.0157" (1/64") |
Recommended Cutting Parameters
*Cermet performs best at higher surface speeds. Avoid low RPM to prevent edge chipping.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Mild Steel (1018/1045) | 180 - 400 m/min | 0.08 - 0.20 mm/r | 0.20 - 1.50 mm |
| Alloy Steel (4140/SCM) | 150 - 320 m/min | 0.06 - 0.18 mm/r | 0.20 - 1.20 mm |
Compatible Tool Holders
Maximum finishing stability with 07-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 07 HoldersPro-Tip: Cermet vs. Carbide
NX2525 (Cermet): Your first choice for "Dry Finishing." It handles high heat better than carbide and produces a much glossier finish on steels.
VP15TF (PVD Carbide): Switch to VP15TF if you are machining Stainless Steel (304/316) or if your cut is interrupted. Cermet is optimized for continuous cuts in carbon/alloy steel.
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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.