Mitsubishi DNMG150408-GK MC5015 Carbide Insert | MMC Japan
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DNMG150408-GK MC5015
Mitsubishi Materials | Next-Gen Cast Iron Machining Grade
The Mitsubishi DNMG150408-GK MC5015 is a high-tech 55° rhombic negative turning insert engineered for the high-speed machining of Cast Iron (K-category). Utilizing the advanced MC5015 Nano-Texture CVD coating, this insert offers extreme wear resistance and thermal stability. The GK chipbreaker is specifically designed for stable cast iron turning, providing excellent edge strength and effective chip control in gray and nodular iron applications.
Technical Specifications
| ISO Model (Metric) | DNMG150408-GK |
|---|---|
| ANSI Model (Inch) | DNMG 432-GK |
| Material Grade | MC5015 (Nano-Texture CVD) |
| Corner Radius | 0.8 mm (1/32") |
| Thickness | 4.76 mm (3/16") |
MC5015 Grade Technology
The MC5015 grade features Mitsubishi's Nano-Texture Technology. The crystal grains of the Al2O3 (Alumina) coating are oriented in the same direction, which significantly increases hardness and crater wear resistance. This makes it ideal for high-speed dry cutting where heat management is critical.
GK Chipbreaker Logic
The GK chipbreaker is specialized for cast iron. It features a robust land area that provides the cutting edge strength necessary to handle the abrasive nature of GCI (Gray Cast Iron) and NCI (Nodular Cast Iron), effectively preventing sudden edge chipping.
Recommended Cutting Parameters
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) |
|---|---|---|
| Gray Cast Iron (GCI) | 200 - 450 m/min | 0.15 - 0.45 mm/rev |
| Ductile Iron (FCD) | 150 - 300 m/min | 0.15 - 0.40 mm/rev |
INDUSTRIAL COMPATIBILITY
This insert fits all standard 15-size (IC 1/2") tool holders: DDJNR/L, DDNNN, or DDUNR/L.
VIEW COMPATIBLE HOLDERS →Metric vs. Inch Cross-Reference
| Feature | ISO (Metric): DNMG150408 | ANSI (Inch): DNMG 432 |
|---|---|---|
| Inscribed Circle (IC) | 12.7 mm | 1/2" |
| Thickness (S) | 4.76 mm | 3/16" |
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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.