Mitsubishi TNMG160404-MS VP15TF Turning Insert
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TNMG160404-MS VP15TF
Mitsubishi Materials | The Universal Miracle Coated Solution
Product Overview
The Mitsubishi TNMG160404-MS VP15TF is a world-class PVD Miracle Coated carbide insert designed for high-reliability machining. Known as the "Problem Solver," the VP15TF grade excels in stainless steel turning, carbon steels, and heat-resistant alloys. This indexable turning insert features the MS chipbreaker, delivering exceptional chip control and edge toughness for CNC precision machining.
Stainless Steel Expert | PVD Miracle Coated | MS Precision Geometry
Model Code Identification
Triangular Shape
0° Relief Angle
M-Class Tolerance
Hole/Chip Feature
16.5mm Edge
4.76mm Thick
0.4mm Radius
Medium-Light Breaker
Metric (ISO) vs Inch (ANSI) Reference
| Technical Spec | ISO (Metric) | ANSI (Inch) Equivalent |
|---|---|---|
| Part Number | TNMG160404-MS | TNMG 331 MS |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8) |
| Nose Radius | 0.4 mm | 0.016" (1/64) |
VP15TF Miracle Coating
The VP15TF grade is Mitsubishi's legendary Miracle PVD coating. It combines high hardness with excellent oxidation resistance, effectively preventing built-up edge (BUE) and chipping. This makes it an ideal long-tail precision tool for 304/316 stainless and heat-resistant alloys.
MS Chipbreaker Advantage
The MS chipbreaker is a specialized medium-light cutting geometry. Its sharp rake angle reduces cutting resistance and heat, ensuring stable chip evacuation even in gummy materials, which dramatically improves the surface finish of the workpiece.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed per Rev ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Stainless Steel (304/316) | 80 - 180 m/min | 0.10 - 0.25 mm/rev | 0.5 - 3.0 mm |
| Alloy Steel / Carbon Steel | 100 - 220 m/min | 0.08 - 0.20 mm/rev | 0.5 - 2.5 mm |
MATCHING TOOL HOLDERS
Optimized for standard MTJNR/L or WTJNR/L external turning tool holders (Size 16).
Shop Size 16 Tool 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.