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 →
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.