Mitsubishi VCMT110304 UE6020 | CVD Coated Steel Turning Insert
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VCMT110304 UE6020
Mitsubishi Materials | The Steel Turning Workhorse (CVD Coated)
Stable Performance in Carbon & Alloy Steels
The Mitsubishi VCMT110304 UE6020 is a 35° diamond CVD coated carbide insert designed for stability and long tool life in general steel turning. The UE6020 grade features a thick coating layer that provides superior wear resistance against plastic deformation and crater wear. With its 7° positive relief angle, this long-tail steel turning insert is the industry standard for CNC profiling and precision boring where high-speed efficiency meets tough cutting conditions.
UE6020 CVD Grade | Steel Optimization | 7° Positive Clearance
Technical Code Identification
35° Diamond
7° Relief Angle
M-Class Precision
Countersink Hole
11mm Edge
3.18mm Thick
0.4mm Radius
ISO (Metric) vs ANSI (Inch) Comparison
| Feature Spec | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | VCMT110304 | VCMT 221 |
| Inscribed Circle (IC) | 6.35 mm | 0.250" (1/4") |
| Corner Radius | 0.4 mm | 0.0157" (1/64") |
UE6020 CVD Grade Advantage
The UE6020 grade is specifically optimized for P10-P30 steel applications. Utilizing a thick $TiCN + Al_2O_3 + TiN$ CVD coating, it provides high heat insulation, preventing the carbide substrate from softening during high-speed turning. This makes it the best steel insert for long continuous cuts in carbon and alloy steels where thermal stability is paramount.
Versatile Chip Control
The V-series diamond geometry is inherently sharp, making it ideal for precision boring and intricate profiling. By selecting the correct feed rate, the UE6020 grade maintains chip control through various depths of cut, ensuring that stringy steel chips do not wrap around the workpiece or the boring bar.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel (1045/1018) | 150 - 300 m/min | 0.08 - 0.25 mm/rev | 0.5 - 2.5 mm |
| Alloy Steel (4140/4340) | 120 - 250 m/min | 0.08 - 0.20 mm/rev | 0.5 - 2.0 mm |
COMPATIBLE HOLDERS
Compatible with SVJCR/L 12/16 external profiling holders and standard Boring Bars.
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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.