Mitsubishi SNMG120408-MA VP15TF Turning Insert | Miracle PVD
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SNMG120408-MA VP15TF
Mitsubishi Materials | Miracle PVD Coating for Universal Performance
The Mitsubishi SNMG120408-MA VP15TF is a premium indexable carbide insert designed for maximum versatility across multiple materials. Powered by the VP15TF Miracle PVD coating, this insert is the industry's go-to for universal turning of steel, stainless steel, and cast iron. It is particularly effective for small-batch CNC jobs where tool changes between materials need to be minimized. The 0.8mm radius combined with the MA chipbreaker provides a perfect balance of edge strength and surface finish quality.
Condition: 100% Original Mitsubishi | Pack of 10 Inserts
ISO Designation Decoded
Square 90°
0° Relief
M-Class Tol.
Double Sided
12.7mm Size
4.76mm Thick
0.8mm Radius
Medium-Cut
Technical Specifications
| Dimension | Metric (ISO) | Inch (ANSI) Equivalent |
|---|---|---|
| Model Name | SNMG120408-MA | SNMG 432-MA |
| Inscribed Circle ($IC$) | 12.7 mm | 0.500" (1/2") |
| Thickness ($S$) | 4.76 mm | 0.187" (3/16") |
| Corner Radius ($RE$) | 0.8 mm | 0.031" (1/32") |
VP15TF Miracle Coating
The VP15TF grade is a "Miracle" PVD (Physical Vapor Deposition) coated carbide. Its nano-layered structure provides extreme hardness and excellent adhesion resistance. It is the definitive grade for suppressing built-up edge (BUE) in stainless steel turning and prevents thermal cracking in interrupted cutting across ISO P, M, and K material groups.
MA Medium-Cut Chipbreaker
The MA chipbreaker is a versatile, double-sided geometry optimized for medium-duty cutting. It features a land designed to reduce cutting forces while ensuring reliable chip control. For the CNC operator, this translates to stable chip breaking in both carbon steel and stringy stainless steel alloys, protecting the workpiece and machine spindles from vibration.
Recommended Cutting Parameters
Starting Values for Multi-Material Operations (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Steel (Carbon/Alloy) | 100 - 250 m/min | 0.15 - 0.45 mm/rev | 1.0 - 4.0 mm |
| Stainless Steel (304/316) | 80 - 180 m/min | 0.15 - 0.40 mm/rev | 1.0 - 3.5 mm |
| Cast Iron (Gray/Ductile) | 100 - 220 m/min | 0.15 - 0.45 mm/rev | 1.0 - 4.0 mm |
HOLDER COMPATIBILITY
Compatible with industry-standard PSSNR/L, DSBNR/L, or MSKNR/L 90° turning tool holders.
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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.