Mitsubishi TNMG160408R-ES US735 | Right-Hand Semi-Finish Insert
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TNMG160408R-ES US735
Mitsubishi Materials | The Right-Hand Semi-Finishing Specialist
The Mitsubishi TNMG160408R-ES US735 is a high-performance Right-Hand (R) turning insert engineered for the challenging dynamics of stainless steel machining. Utilizing the legendary US735 toughness grade, this insert is designed to withstand mechanical shock in interrupted cuts. The ES chipbreaker is specifically optimized for semi-finishing, providing a sharp cutting edge that minimizes work-hardening and ensures stable chip control in gummy austenitic alloys.
Right-Hand | Semi-Finishing | CVD Coated | High Impact Toughness
Technical Code Identification
Triangular
0° Relief
Tolerance
Hole/Chip
16.5mm Edge
4.76mm Thick
0.8mm Radius
Right-Hand
Semi-Finishing
ISO (Metric) vs ANSI (Inch) Comparison
| Feature | ISO (Metric) | ANSI Equivalent |
|---|---|---|
| Model Number | TNMG160408R-ES | TNMG 332R ES |
| Inscribed Circle | 9.525 mm | 0.375" (3/8") |
| Nose Radius | 0.8 mm | 0.031" (1/32") |
US735 Grade Toughness
The US735 grade is Mitsubishi's specialized CVD turning insert material for P30-M35 applications. It is the premier choice for long-tail precision tools that require maximum resistance against thermal cracking and built-up edge (BUE) in tough stainless steel alloys.
ES Semi-Finish Geometry
The ES chipbreaker is designed for the transition between finishing and medium roughing. Its specialized rake angle lowers cutting forces and ensures that CNC machining cycles remain vibration-free while maintaining tight dimensional tolerances.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 70 - 160 m/min | 0.10 - 0.28 mm/rev | 0.5 - 3.0 mm |
| Duplex Stainless Steel | 40 - 90 m/min | 0.10 - 0.22 mm/rev | 0.5 - 2.5 mm |
RIGHT-HAND HOLDER PAIRING
This insert is a Right-Hand (R) orientation. It requires standard MTJNR or WTJNR turning tool holders (Size 16).
Shop Right-Hand 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.