Mitsubishi VCMT160408 US735 Carbide Insert | VCMT 332
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Mitsubishi VCMT160408 US735
High-Toughness Solution for Stainless Steel Turning
The Mitsubishi VCMT160408 US735 is a high-performance 35° rhombic positive displacement carbide insert, specifically engineered for the demanding world of stainless steel machining. Utilizing the advanced US735 grade, this insert is the industry standard for stable cutting in applications prone to thermal cracking and notch wear.
Whether you are performing medium cutting or CNC lathe finishing, the VCMT160408 ensures superior surface integrity and tool life longevity.
Model Nomenclature Explained
| Code | Detailed Specification |
|---|---|
| V | Shape: 35° Rhombic (Diamond) |
| C | Clearance Angle: 7° (Positive) |
| M | Tolerance Class: Medium Precision |
| T | Hole/Chipbreaker: Countersunk Hole / Single-sided |
| 16 | Size: Cutting Edge Length (~16mm) |
| 04 | Thickness: 4.76mm |
| 08 | Nose Radius: 0.8mm (Medium Cutting) |
Global Standards: Metric vs. Imperial
This insert is interchangeable across international markets:
- Metric Model (ISO): VCMT160408
- Imperial Model (ANSI): VCMT 332
Grade & Chipbreaker Analysis
US735 Grade (CVD Coated): Specifically developed for stainless steel turning. It features a high-toughness carbide substrate that excels in interrupted cutting. The coating effectively resists built-up edge (BUE) and heat deformation.
MV Chipbreaker: The "Medium Volumetric" geometry provides an excellent balance between chip control and cutting edge strength, making it ideal for rough-to-finish turning on CNC machines.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Stainless Steel (304/316) | 80 - 180 m/min | 0.10 - 0.35 mm/rev |
| Hardened Alloys | 40 - 90 m/min | 0.08 - 0.25 mm/rev |
Maximize your efficiency with the correct setup:
View Compatible SVJCR/L Tool HoldersSelection Tip: Grade Comparison
If you are facing heavy chipping in severe interrupted cuts, US735 is your best option due to its extreme toughness. For high-speed continuous cutting of stainless steel where wear resistance is the priority, consider upgrading to MP7035 or VP15TF.
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.