Mitsubishi VNMG160404 UC5115 Carbide Turning Insert | VNMG 331
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Mitsubishi VNMG160404 UC5115
High-Performance CVD Carbide for Cast Iron Machining
The Mitsubishi VNMG160404 UC5115 is a premium 35° rhombic negative-type carbide turning insert. Engineered specifically for the high-speed machining of cast iron, the UC5115 grade provides exceptional wear resistance and thermal stability. This VNMG 331 ANSI equivalent is the industry benchmark for processing gray cast iron and ductile cast iron where long tool life and high surface precision are paramount.
Detailed Model Nomenclature
Understanding each letter of the VNMG160404 precision code:
| Code | Detailed Specification |
|---|---|
| V | Shape: 35° Rhombic (Diamond) |
| N | Clearance Angle: 0° (Negative Insert) |
| M | Tolerance Class: Medium Precision Class |
| G | Feature: Double-Sided with Hole |
| 16 | Size: ~16mm Cutting Edge Length |
| 04 | Thickness: 4.76mm |
| 04 | Nose Radius: 0.4mm (Super Fine Finishing) |
Global Standards: ISO vs. ANSI
This long-life cast iron insert is standardized for global CNC centers:
- ISO (Metric): VNMG160404
- ANSI (Imperial): VNMG 331
UC5115 Grade & Geometry Analysis
UC5115 CVD Grade: This grade is a specialized CVD coated carbide specifically optimized for ISO K group (Cast Iron). It features an extremely hard substrate combined with a thick Al2O3 coating layer, providing superior resistance to abrasive wear and chipping even at high cutting temperatures.
Stable Geometry: The 35° rhombic profile allows for excellent profiling accessibility. Combined with a robust cutting edge, it prevents edge plastic deformation and ensures a consistent high surface finish throughout the production run.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) | Depth of Cut (ap) |
|---|---|---|---|
| Gray Cast Iron (FC) | 150 - 450 m/min | 0.10 - 0.35 mm/rev | 0.5 - 3.0 mm |
| Ductile Cast Iron (FCD) | 120 - 350 m/min | 0.10 - 0.30 mm/rev | 0.5 - 2.5 mm |
Optimize Your Setup
Ensure maximum stability for cast iron machining by pairing this VNMG 331 insert with our high-rigidity holders.
Shop Compatible DVJNR/L Tool HoldersPro-Tip: Grade Selection Guide
UC5115 is your first choice for stable cast iron turning. For applications involving heavy interrupted cutting or high-impact ductile iron, consider the tougher UC5105 or MC5005 series. If you are machining steel, switch to the UE6110 or MC6025 grades for optimal performance.
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.