Mitsubishi CCMT120412 UC5115 CVD Carbide Insert for Cast Iron (10pcs)
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CCMT120412 UC5115
Roughing Powerhouse | Black Super CVD Coating | 1.2mm Impact Radius
Material Science & Edge Reinforcement
UC5115 Grade (The CVD Shield): Specifically optimized for ISO K (Cast Iron) production. The thick-layer CVD (Chemical Vapor Deposition) technology utilizes a Black Super Coating top layer. This provides extreme hardness to resist the abrasive "sand-paper" effect of gray iron and the heat generated during dry cutting.
1.2mm Corner Radius (Maximum Security): The 12 (3/64") radius is built for Roughing and Heavy Semi-Finishing. It offers the thickest cross-section at the cutting tip, allowing the tool to plunge into rough casting surfaces and scale without breaking. It also allows for significantly higher feed rates (fn) while maintaining edge integrity.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT120412 | 12.70 mm | 4.76 mm | 1.20 mm |
| Imperial | CCMT433 | 0.500" (1/2") | 0.187" (3/16") | 0.0469" (3/64") |
Recommended Cutting Parameters
*The 1.2mm radius generates higher cutting forces. Ensure maximum machine rigidity and high horsepower.
| Cast Iron Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Gray Iron (FC300) | 180 - 450 m/min | 0.20 - 0.45 mm/r | 0.80 - 4.50 mm |
| Ductile Iron (FCD) | 120 - 280 m/min | 0.15 - 0.35 mm/r | 0.80 - 3.50 mm |
Required Tool Holder
Optimized for SCLCR/L 12 series external holders and heavy-duty bars:
Shop SCLCR 12 HoldersPro-Tip: UC5115 vs UE6110
UC5115 (Iron King): Thick CVD coating designed specifically to handle the high abrasion of cast iron. Use this for 100% of your iron work.
UE6110 (Steel Grade): Never use UE6110 in cast iron. While it is a great CVD grade, the chemistry is designed for steel chips; it will wear out 5x faster than **UC5115** when faced with cast iron dust.
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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.