Mitsubishi TNMG160404R-ES US735 | Right-Hand Stainless Finish Insert
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TNMG160404R-ES US735
Mitsubishi Materials | The Right-Hand Specialist for Stainless Finishing
The Mitsubishi TNMG160404R-ES US735 is a premium Right-Hand (R) indexable turning insert engineered for the most demanding stainless steel machining environments. Utilizing the high-toughness US735 grade, this insert is the ultimate "interruption king," surviving where other tools chip. The ES chipbreaker is specifically tailored for fine finishing, offering sharp edges to prevent work-hardening and ensure high-precision CNC machining results.
Right-Hand Geometry | M-Class Precision | High Impact Resistance
Technical Code Breakdown
Triangular Shape
0° Relief Angle
M-Class Tolerance
Hole/Chip Feature
16.5mm Edge
4.76mm Thick
0.4mm Radius
Right-Hand
Finish Breaker
ISO (Metric) vs ANSI (Inch) Standards
| Tech Details | ISO (Metric) | ANSI Equivalent |
|---|---|---|
| Model ID | TNMG160404R-ES | TNMG 331R ES |
| Inscribed Circle | 9.525 mm | 0.375" (3/8") |
| Corner Radius | 0.4 mm | 0.016" (1/64") |
US735 Tough-Grade Carbide
The US735 grade is Mitsubishi's premier choice for indexable turning inserts facing interrupted cuts in stainless steel. Its unique CVD coating prevents thermal cracking and provides extreme chemical stability against built-up edge (BUE), making it a long-tail industrial tool essential for difficult austenitic alloys.
ES Precision Chipbreaker
The ES chipbreaker is specialized for fine finishing. It features an exceptionally sharp rake angle that reduces cutting resistance and heat generation. This ensures excellent chip control even at shallow depths of cut, preventing surface damage and vibration.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 60 - 140 m/min | 0.05 - 0.18 mm/rev | 0.2 - 1.5 mm |
| Duplex Stainless Steel | 40 - 80 m/min | 0.05 - 0.15 mm/rev | 0.2 - 1.2 mm |
MATCHING RIGHT-HAND HOLDERS
This insert requires a Right-Hand (R) tool holder such as MTJNR 1616 or WTJNR 1616.
Browse MTJNR 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.