Mitsubishi DCET11T304R-SN VP15TF Ground Precision Turning Insert (10pcs)
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DCET11T304R-SN VP15TF
Fully Ground E-Class | Miracle PVD Coating | SN Low-Force Precision
The Ultimate Finishing Solution
VP15TF Grade (Miracle PVD Shield): The VP15TF is a micro-grain carbide substrate enhanced by Mitsubishi’s proprietary Miracle (Al-Ti-N) PVD coating. Because this is a PVD process, the coating thickness is perfectly uniform, ensuring that the fully ground cutting edge of the DCET remains ultra-sharp. It offers high resistance to built-up edge (BUE) and thermal cracking.
SN Chipbreaker (Vibration Control): The SN geometry is a sharp, positive-rake chipbreaker specifically engineered for "super-light" finishing. It reduces the radial cutting force that typically causes part deflection or vibration. It is the preferred geometry for long, slender shafts or finishing deep internal bores.
Fully Ground (E-Class) Precision: Unlike standard M-class inserts (DCMT), every surface of the DCET is precision ground. This results in superior indexing accuracy—when you flip the insert to a new edge, your machine's offset requires minimal adjustment.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | DCET11T304R-SN | 9.525 mm | 3.97 mm | 0.40 mm |
| Imperial | DCET32.51R-SN | 3/8" | 5/32" | 0.0157" (1/64") |
Precision Machining Parameters
*The 11T3 size offers high stability. For best results, ensure the depth of cut is within the chipbreaker's effective range.
| Material Group | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Alloy Steel / Tool Steel | 120 - 250 m/min | 0.05 - 0.15 mm/r | 0.10 - 1.50 mm |
| Stainless Steel (304/316) | 90 - 180 m/min | 0.04 - 0.12 mm/r | 0.08 - 1.20 mm |
Pro-Tip: DCET Ground vs. DCMT Molded
DCET (Ground): Best for aerospace or medical parts where tolerances are tighter than +/- 0.01mm. The ground edge significantly reduces "smearing" on stainless steel.
DCMT (Molded): Use for general-purpose roughing and semi-finishing where the accuracy of the insert index is less critical.
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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.