Mitsubishi DCMT11T304 UC5115 Carbide Insert for Cast Iron Turning (10pcs)
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DCMT11T304 UC5115
Cast Iron Specialist | UC5115 Abrasive Resistance | 55° Diamond
High-Performance Turning in Cast Materials
UC5115 Grade (The Iron Workhorse): The UC5115 is Mitsubishi's premium CVD grade specifically optimized for Gray and Ductile Cast Iron. It features a specialized thick-film coating technology that provides exceptional resistance to flank wear and cratering. This grade is designed to handle the abrasive nature of graphite and the heat generated during dry high-speed machining.
DCMT Geometry (Positive Profile): The 55-degree diamond shape provides high versatility for profiling, facing, and longitudinal turning. The positive rake angle lowers the cutting force, which helps prevent "break-out" at the edge of brittle cast iron workpieces and reduces heat transfer to the tool holder.
0.4mm Radius (Precision Precision): The 0.4mm (04) radius is the perfect balance for finishing. It provides a sharp enough edge to prevent chatter in slender components while remaining robust enough to withstand the micro-shocks of abrasive cast iron surfaces.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCMT11T304 | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCMT32.51 | 3/8" | 5/32" | 0.0157" (1/64") |
Recommended Cutting Parameters
*UC5115 is optimized for high-speed stability. These parameters are ideal for rigid CNC setups.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Gray Cast Iron (Class 30/40) | 180 - 400 m/min | 0.10 - 0.25 mm/r | 0.30 - 2.50 mm |
| Ductile Iron (60-45-12) | 130 - 300 m/min | 0.08 - 0.20 mm/r | 0.30 - 2.00 mm |
Compatible Tool Holders
Maximum productivity for external profiling and internal boring with 11-series holders:
Shop SDJCR 11 HoldersPro-Tip: UC5115 vs. US735
UC5115 (Iron Specialist): Engineered for abrasion resistance. High Speed + Iron = UC5115. Using this on steel will cause rapid chemical wear.
US735 (Stainless Specialist): Engineered for toughness. If your material is Stainless Steel or has high-impact interrupted cuts, switch to US735.
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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.