Mitsubishi TNMG160408-MA UE6020 | Steel Turning Insert
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💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TNMG160408-MA UE6020
Mitsubishi Materials | The Industry Standard for Versatile Steel Turning
The Mitsubishi TNMG160408-MA UE6020 is a highly versatile CVD coated carbide insert designed for stable to lightly interrupted turning of carbon and alloy steels. As a core long-tail precision tool, the UE6020 grade provides an optimized balance of crater wear resistance and edge toughness. The integrated MA chipbreaker is the definitive choice for medium cutting, ensuring excellent chip evacuation in standard CNC machining cycles.
P25-P35 Steel Application | MA Geometry | Indexable Precision
Code Identification Breakdown
Triangular Shape
0° Relief Angle
M-Class Tolerance
Hole/Chip Feature
16.5mm Edge
4.76mm Thick
0.8mm Radius
Medium-Cut Breaker
ISO vs ANSI Standards
| Specification | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Part Number | TNMG160408-MA | TNMG 332 MA |
| Inscribed Circle | 9.525 mm | 0.375" |
| Nose Radius | 0.8 mm | 0.031" |
UE6020 Material Grade
The UE6020 grade is Mitsubishi's premier choice for general steel turning. This CVD coated grade features a thick TiCN and Al2O3 layer that provides heat insulation and resists flank wear. It is exceptionally reliable for P25-P35 steel workpieces under varied cutting conditions.
MA Chipbreaker Logic
The MA chipbreaker is engineered for a "medium-range" depth of cut. Its geometry provides a sharp cutting action to reduce cutting forces while maintaining enough strength to prevent edge chipping, making it the most popular indexable turning insert geometry for general lathe work.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed Rate ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Mild Steel (SS400) | 150 - 350 m/min | 0.15 - 0.45 mm/rev | 1.0 - 4.0 mm |
| Alloy Steel (SCM440) | 120 - 280 m/min | 0.15 - 0.40 mm/rev | 0.8 - 3.5 mm |
TOOL HOLDER COMPATIBILITY
Designed for MTJNR/L or WTJNR/L top-clamp tool holders (Size 16).
Browse Size 16 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.