Mitsubishi CCMT120404 UC5115 CVD Carbide Insert for Cast Iron (10pcs)
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CCMT120404 UC5115
High-Speed Cast Iron Specialist | Black Super CVD Coating | 0.4mm Precision Radius
CVD Material Science
UC5115 Grade (CVD Mastery): Specifically engineered for ISO K (Cast Iron). This grade features a thick-layer CVD (Chemical Vapor Deposition) coating. The proprietary Black Super Coating provides incredible heat resistance and surface hardness. It is designed to handle the abrasive wear caused by the sand and graphite in cast iron, outlasting PVD grades by up to 300% in stable, continuous cuts.
0.4mm Radius (Precision for Large Workpieces): The 04 (1/64") radius is the choice for fine to semi-finishing on the robust Size 12 substrate. It provides lower radial cutting forces, which is essential for maintaining tight tolerances and preventing chatter in large boring bars or on long, slender shafts.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT120404 | 12.70 mm | 4.76 mm | 0.40 mm |
| Imperial | CCMT431 | 0.500" (1/2") | 0.187" (3/16") | 0.0157" (1/64") |
Recommended Cutting Parameters
*UC5115 performs best at higher surface speeds (Vc) to utilize the CVD coating's thermal properties.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Gray Iron (FC250+) | 200 - 450 m/min | 0.05 - 0.20 mm/r | 0.30 - 2.50 mm |
| Ductile Iron (FCD) | 150 - 300 m/min | 0.05 - 0.18 mm/r | 0.30 - 2.00 mm |
Required Tool Holder
Maximum rigidity for SCLCR/L 12 series external holders and large diameter bars:
Shop SCLCR 12 HoldersPro-Tip: UC5115 vs UC5105
UC5115 (Stable/Finish): The Standard Choice. It provides a perfect balance of toughness and wear resistance for most cast iron applications.
UC5105 (High Speed): Choose UC5105 only for ultra-high-speed continuous turning of gray iron where wear resistance is the absolute priority. For interrupted cuts or ductile iron, UC5115 is much safer.
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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.