Mitsubishi VCMT160404 UE6020 | CVD Coated Steel Turning Insert
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VCMT160404 UE6020
Mitsubishi Materials | Durable CVD Coated Steel Turning Master
Heavy-Duty Precision for Steel Profiling
The Mitsubishi VCMT160404 UE6020 is a 35° diamond CVD coated carbide insert engineered for reliability in carbon and alloy steel applications. The UE6020 grade features a specialized multi-layer coating that offers exceptional resistance to heat and plastic deformation. With a large 16mm edge for stability and a 0.4mm corner radius for fine detail, this long-tail steel turning insert is the professional choice for CNC profiling and high-precision boring where durability is a non-negotiable requirement.
UE6020 CVD Grade | 16mm Rigid Edge | 35° Precision Profile
Technical Code Identification
35° Diamond
7° Relief Angle
M-Class Precision
Hole with 60° Countersink
16mm Edge
4.76mm Thick
0.4mm Radius
ISO (Metric) vs ANSI (Inch) Comparison
| Feature Spec | ISO (Metric) | ANSI (Inch Equivalent) |
|---|---|---|
| Model Number | VCMT160404 | VCMT 331 |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8") |
| Thickness | 4.76 mm | 0.187" (3/16") |
UE6020 CVD Grade Technology
The UE6020 grade is Mitsubishi's premium CVD solution for the P10-P30 steel range. It features a triple-layer coating ($TiCN + Al_2O_3 + TiN$) that creates a thermal barrier, allowing for higher cutting speeds while protecting the edge from cratering. It is the best steel turning insert for workshops running long production cycles on carbon and alloy steels.
35° Diamond Geometry
The VCMT geometry provides a 7° positive clearance which is essential for internal boring and deep profiling where back-clearance is limited. The 16mm size provides the bulk and rigidity needed to handle higher depths of cut compared to smaller 11mm variants, making it highly effective for larger workpieces on CNC lathes.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Carbon Steel (1045/1018) | 160 - 320 m/min | 0.10 - 0.30 mm/rev | 0.5 - 3.0 mm |
| Alloy Steel (4140/4340) | 130 - 260 m/min | 0.08 - 0.25 mm/rev | 0.5 - 2.5 mm |
COMPATIBLE HOLDERS
Optimized for SVJCR/L 16 or SVVBN 16 external profiling holders and rigid Boring Bars.
Shop VCMT 16mm Holders →
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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.