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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This Mitsubishi insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.