Mitsubishi VCMT160408 UE6020 Carbide Turning Insert
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Mitsubishi VCMT160408 UE6020
High-Performance Turning Insert for Steel Machining
The Mitsubishi VCMT160408 UE6020 is a premium 35° rhombic positive displacement carbide insert designed specifically for stable, high-efficiency steel turning. Utilizing the advanced UE6020 grade, this insert excels in preventing flank wear and crater wear during continuous and light interrupted cutting.
Understanding the Model: VCMT 160408
Each letter and number represents a specific geometric property of the insert:
| Code | Description |
|---|---|
| V | Shape: 35° Rhombic |
| C | Clearance Angle: 7° (Positive) |
| M | Tolerance: Medium Precision Class |
| T | Hole/Chipbreaker: Countersunk hole & single-sided chipbreaker |
| 16 | Inscribed Circle (Cutting Edge Length ~16mm) |
| 04 | Thickness: 4.76mm |
| 08 | Corner Radius: 0.8mm (Ideal for finishing/medium roughing) |
Metric vs. Imperial Equivalents
This insert is globally recognized under two naming conventions:
- Metric Model: VCMT160408
- ANSI (Inch) Model: VCMT332
Material & Chipbreaker Details
Grade UE6020 (CVD Coated Carbide): This grade features a thick TiCN + Al2O3 coating. It is the first choice for P10-P30 steel applications. It offers extreme heat resistance and toughness, making it a reliable long-life turning insert for carbon and alloy steels.
MV Chipbreaker: Designed for medium-range cutting, providing excellent chip control at various depths of cut, reducing the risk of "bird-nesting" during CNC operations.
Recommended Cutting Parameters
To maximize tool life and surface finish, use the following starting values:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Carbon Steel / Alloy Steel | 150 - 300 m/min | 0.15 - 0.40 mm/rev |
Need a matching tool holder?
View Compatible SVJCR/L Tool Holders HereGrade Comparison Tip:
If you are experiencing chipping in heavy interrupted cuts, consider upgrading to UE6110 for higher toughness. For high-speed finishing in stable conditions, MC6025 is an excellent alternative. The VCMT160408 UE6020 remains the best "all-rounder" for general steel processing.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.