Mitsubishi CCMT120408 UC5115 CVD Coated Carbide Insert for Cast Iron (10pcs)
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CCMT120408 UC5115
Heavy-Duty Cast Iron Specialist | Black Super CVD Coating | 0.8mm Radius
UC5115 Coating Science
UC5115 Grade (The Iron Champion): Specifically engineered for ISO K (Cast Iron). This grade utilizes a thick-layer CVD (Chemical Vapor Deposition) coating. The proprietary Black Super Coating provides incredible surface hardness and thermal insulation.
0.8mm Radius (High-Strength Productivity): The 08 (1/32") radius is the "Workhorse" of the CCMT 12 series. It offers a much stronger cutting edge than the 04 version, allowing for higher feed rates (fn) and better heat dissipation. This makes it ideal for removing the rough "skin" of cast parts and handling semi-roughing to finishing in high-volume production.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT120408 | 12.70 mm | 4.76 mm | 0.80 mm |
| Imperial | CCMT432 | 0.500" (1/2") | 0.187" (3/16") | 0.0315" (1/32") |
Recommended Cutting Parameters
*The 0.8mm radius thrives under high chip loads. Use these parameters to maximize metal removal rates (MRR).
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Gray Iron (FC250-350) | 180 - 450 m/min | 0.15 - 0.35 mm/r | 0.50 - 3.50 mm |
| Ductile Iron (FCD) | 120 - 280 m/min | 0.12 - 0.28 mm/r | 0.50 - 2.80 mm |
Required Tool Holder
Maximum performance for SCLCR/L 12 series external holders and large diameter bars:
Shop SCLCR 12 HoldersPro-Tip: UC5115 vs VP15TF
UC5115 (CVD): The Specialist. The thick coating is designed specifically for abrasive cast iron. Use this for high-speed continuous turning where efficiency is key.
VP15TF (PVD): Switch to VP15TF only for heavy interruptions or when you need to machine a mix of steel and iron in the same cycle. For pure iron production, UC5115 is significantly more cost-effective.
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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.