Mitsubishi TNMG160408-MS US735 | Tough Stainless Steel Turning Insert
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TNMG160408-MS US735
Mitsubishi Materials | The Tough-Machining Benchmark for Stainless
The Mitsubishi TNMG160408-MS US735 is a high-performance CVD coated carbide insert engineered for the toughest stainless steel turning challenges. Utilizing the US735 grade, this tool is the primary choice for interrupted cuts where other inserts chip or fail. This long-tail precision tool features the MS chipbreaker, specifically designed to handle the gummy nature of stainless steel while maintaining stable CNC machining performance.
M-Class Application | High Impact Resistance | MS Light-Medium Breaker
Technical Code Breakdown
Triangular Shape
0° Relief Angle
M-Class Tolerance
Hole/Chip Feature
16.5mm Edge
4.76mm Thick
0.8mm Radius
Light-Med Breaker
ISO vs ANSI Standards
| Spec Detail | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Model Identification | TNMG160408-MS | TNMG 332 MS |
| Inscribed Circle (IC) | 9.525 mm | 0.375" |
| Nose Radius | 0.8 mm | 0.031" |
US735 Material Grade
The US735 grade is Mitsubishi's ultimate toughness grade for indexable turning inserts. It utilizes a high-toughness substrate combined with a CVD coating that resists thermal cracking. It is the definitive solution for machining 300-series stainless steels, especially when the cut is unstable or involves heavy interruptions.
MS Chipbreaker Geometry
The MS chipbreaker is a specialized medium-light cutting geometry. Its sharp rake angle significantly reduces cutting forces and prevents built-up edge (BUE). This allows for superior chip control even at lower feed rates, preventing damage to the workpiece surface in gummy materials.
Recommended Cutting Parameters
| Material Group | Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Austenitic Stainless (304/316) | 60 - 140 m/min | 0.12 - 0.35 mm/rev | 1.0 - 4.0 mm |
| High-Temp Alloys (Inconel) | 25 - 55 m/min | 0.10 - 0.30 mm/rev | 0.8 - 3.0 mm |
MATCHING TOOL HOLDERS
Designed for MTJNR/L or WTJNR/L external turning holders (Size 16).
Browse Size 16 Holders →