Mitsubishi TCMT16T308 UC5115 | CVD Carbide Insert for Cast Iron
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TCMT16T308 UC5115
Mitsubishi Materials | The High-Speed Cast Iron Turning Specialist
The Mitsubishi TCMT16T308 UC5115 is a high-performance CVD coated carbide insert engineered specifically for cast iron turning. Utilizing the advanced UC5115 grade, this insert provides unparalleled resistance to abrasive wear and thermal deformation at high cutting speeds. As a premier long-tail precision tool, its 0.8mm nose radius ensures maximum edge strength, making it the industry benchmark for machining gray and ductile iron.
CVD Multi-Layer Coating | 0.8mm Radius | ISO K Category
Specification Identification
Triangular Shape
7° Relief Angle
M-Class Precision
Hole/Chipbreaker
16.5mm Edge
3.97mm Thick
0.8mm Radius
Metric vs. Inch Standards
| Attribute | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Model Reference | TCMT16T308 | TCMT 32.52 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Thickness (S) | 3.97 mm | 0.156" |
| Nose Radius (RE) | 0.8 mm | 0.031" |
UC5115 Grade Performance
The UC5115 grade is Mitsubishi's premium CVD solution for high-velocity cast iron machining. It features a specialized thick coating layer that serves as a massive heat barrier, preventing plastic deformation. This grade is optimized for the abrasive nature of gray cast iron (ISO K10-K20) and the toughness requirements of ductile iron (ISO K10-K25).
Reinforced Edge Geometry
With a 0.8mm radius, this indexable turning insert provides extreme stability under high pressure. The positive 7° relief angle reduces cutting forces, while the TCMT chipbreaker ensures efficient chip evacuation even in the fragmented chips common in iron turning.
Recommended Cutting Data
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Gray Cast Iron (FC250/300) | 180 - 450 m/min | 0.15 - 0.45 mm/rev | 0.5 - 3.5 mm |
| Ductile Iron (FCD450/600) | 150 - 320 m/min | 0.12 - 0.35 mm/rev | 0.5 - 3.0 mm |
PRECISION MATCHING HOLDERS
Optimized for standard STFCR/L boring bars and STGCR/L external turning tool holders (Size 16).
View Matching Holders →
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.