Mitsubishi DCMT11T304-FM VP15TF Carbide Turning Insert for Finishing
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DCMT11T304-FM VP15TF
Precision Finishing Specialist | Miracle PVD Coating | FM Chipbreaker
Optimized for High-Quality Surface Finishes
VP15TF Grade (Miracle PVD Coating): The VP15TF is Mitsubishi’s universal PVD grade. It combines a tough micro-grain carbide substrate with a high-adhesion Al-Ti-N Miracle coating. This allows for a much sharper cutting edge than CVD grades, which is essential for "shearing" the metal cleanly and preventing work-hardening in materials like 304/316 Stainless Steel.
FM Chipbreaker (Finishing Specialist): The FM geometry is engineered for light finishing. It features a sharp rake angle and a specialized chip pocket that forces chip curl at very low depths of cut ($Ap$). This eliminates the "long stringer" chips that often scratch the workpiece during the final pass.
0.4mm Radius (The Profiler): The "04" radius is the industry standard for precision finishing. It provides the ideal balance of edge sharpness and structural integrity, ensuring tight tolerances and a mirror-like surface.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T304-FM | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCMT32.51-FM | 3/8" | 5/32" | 0.0157" (1/64") |
Recommended Machining Parameters
*The FM chipbreaker performs best at light depths. For heavy roughing, please see the "M" or "R" series.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Stainless Steel (304/316) | 100 - 180 m/min | 0.05 - 0.15 mm/r | 0.15 - 1.00 mm |
| Alloy Steel (4140) | 140 - 240 m/min | 0.08 - 0.20 mm/r | 0.20 - 1.20 mm |
Compatible Tool Holders
Maximum rigidity for 11-series SDJCR/L or SDUCR/L holders:
Shop SDJCR 11 HoldersPro-Tip: FM vs. LM Chipbreaker
FM (Fine-Medium): Your best choice for the final pass. It provides the best chip control when you are taking very little material off.
VP15TF Grade: The "Miracle" PVD coating ensures the insert stays sharper for longer compared to general-purpose grades, specifically when machining stainless steel.
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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.