Mitsubishi VNMG160408 NX2525 Cermet Turning Insert | VNMG 332
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Mitsubishi VNMG160408 NX2525
High-Performance Cermet Grade for Mirror-Finish Steel Machining
The Mitsubishi VNMG160408 NX2525 is a premium 35° rhombic negative-type cermet turning insert. Unlike traditional carbide, the NX2525 cermet grade utilizes a ceramic-metal composite to deliver a mirror-like surface finish and exceptional dimensional stability. This VNMG 332 ANSI equivalent is specifically engineered for high-speed finishing where aesthetic gloss and high surface precision are the top priorities.
Technical Nomenclature Breakdown
Understanding the precision engineering behind the VNMG160408 identification code:
| Code | Specifications |
|---|---|
| V | Shape: 35° Rhombic (Diamond) |
| N | Clearance Angle: 0° (Negative Insert) |
| M | Tolerance Class: Medium Precision |
| G | Feature: Double-Sided with Hole |
| 16 | Size: ~16mm Cutting Edge Length |
| 04 | Thickness: 4.76mm |
| 08 | Nose Radius: 0.8mm (Precision Medium-Finishing) |
Global Interchangeability: ISO vs. ANSI
This long-life finishing tool is standardized for global CNC machining centers:
- ISO (Metric): VNMG160408
- ANSI (Imperial): VNMG 332
NX2525 Cermet Grade Technology
NX2525 Cermet: Cermet (Ceramic + Metal) offers a significantly lower chemical affinity for steel compared to carbide, which effectively eliminates built-up edge (BUE). The NX2525 micro-grain grade provides the perfect balance between high-speed wear resistance and edge toughness, making it the premier choice for dry machining and high-velocity steel finishing.
Stable Geometry: The 35° profile is optimized for intricate profiling and narrow-clearance CNC lathe finishing. It ensures stable chip flow and minimizes work hardening on the workpiece surface.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Carbon Steel (Finishing) | 150 - 350 m/min | 0.10 - 0.25 mm/rev | 0.3 - 1.5 mm |
| Alloy Steel (Precision) | 120 - 300 m/min | 0.08 - 0.20 mm/rev | 0.3 - 1.2 mm |
Tool Integration
Ensure maximum gloss and surface quality by pairing this VNMG 332 insert with high-rigidity tool holders.
Shop Compatible DVJNR/L Tool HoldersPro-Tip: Cermet vs. Carbide
NX2525 Cermet is superior for high-gloss finishing because it maintains a sharp edge longer and resists chemical welding. However, for heavy interrupted roughing, carbide grades like UE6110 or MC6025 are recommended due to their higher impact strength.
Need Help With Mitsubishi Inserts?
Looking for a Mitsubishi equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
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.