Mitsubishi CCMT060208 UE6020 Carbide Turning Insert (10pcs/Box)
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CCMT060208 UE6020
High-Feed Steel Turning | CVD Coated Carbide | 0.8mm Radius
Material & Geometry Analysis
UE6020 Grade (CVD Coated Carbide): This grade features a thick, multi-layer TiCN + Al2O3 + TiN coating. The Aluminum Oxide (Al2O3) layer provides an exceptional thermal barrier, allowing the insert to maintain hardness even at high cutting speeds. Optimized for General Steel Machining (ISO P20-P35), it offers high resistance to crater wear and plastic deformation.
0.8mm Radius (Edge Strength): The larger 0.8mm (1/32") corner radius is designed for stability. It allows for significantly higher feed rates (mm/rev) and a deeper depth of cut than smaller radii, making it the ideal choice for **Semi-Finishing to Light Roughing** on carbon and alloy steels.
Metric vs. Imperial Comparison
| System | Model Designation | I.C. (Inscribed Circle) | Thickness | Radius (RE) |
|---|---|---|---|---|
| Metric | CCMT060208 | 6.35 mm | 2.38 mm | 0.80 mm |
| Imperial | CCMT21.52 | 1/4" | 3/32" | 0.0315" |
Recommended Cutting Parameters
*The 0.8mm radius allows for standard finishing to light roughing passes. Use of coolant is highly recommended for CVD grades.
| Workpiece Material | Speed (Vc) | Feed (fn) | Depth (Ap) |
|---|---|---|---|
| Low Carbon Steel | 150 - 320 m/min | 0.10 - 0.30 mm/r | 0.40 - 2.00 mm |
| Alloy Steel (4140/SCM440) | 120 - 260 m/min | 0.08 - 0.25 mm/r | 0.40 - 1.50 mm |
Required Tool Holder
Maximum stability for SCLCR/L 06 Boring Bars and External Holders:
Shop SCLCR 06 HoldersGrade Comparison Tip
UE6020 (CVD Carbide): Your primary choice for Steel only. High wear resistance in continuous cutting. Best for maximizing tool life in high-speed production.
VP15TF (PVD Carbide): The versatile alternative. Choose VP15TF if you are machining Stainless Steel or if you have heavy vibration and interrupted cuts.
NX2525 (Cermet): Use only for final finishing passes where a mirror-like gloss is required. Cermet is more brittle and cannot handle the high feeds of UE6020.
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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.