Mitsubishi SNMG120412-MA VP15TF Turning Insert | Miracle PVD
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SNMG120412-MA VP15TF
Mitsubishi Materials | Reinforced Edge with Universal Miracle PVD Coating
The Mitsubishi SNMG120412-MA VP15TF is a heavy-duty, versatile indexable carbide insert engineered for universal turning applications. Utilizing the advanced VP15TF Miracle PVD coating, this insert provides exceptional wear resistance across carbon steel, stainless steel, and cast iron. With a reinforced 1.2mm corner radius, it is specifically designed for medium-roughing where edge strength and high feed rates are critical for reducing cycle times on a CNC lathe.
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
1.2mm Radius
Medium-Rough
Technical Specifications
| Dimension | Metric (ISO) | Inch (ANSI) Equivalent |
|---|---|---|
| Model Name | SNMG120412-MA | SNMG 433-MA |
| Inscribed Circle ($IC$) | 12.7 mm | 0.500" (1/2") |
| Thickness ($S$) | 4.76 mm | 0.187" (3/16") |
| Corner Radius ($RE$) | 1.2 mm | 0.047" (3/64") |
VP15TF Miracle PVD Coating
The VP15TF grade is Mitsubishi's legendary universal PVD coating. Designed for a wide application range, it features a nano-layered structure that offers high hardness and superior heat resistance. This prevents built-up edge (BUE) on stainless steel and maintains a sharp cutting edge during long production runs in carbon and alloy steels.
MA Medium-Rough Chipbreaker
The MA chipbreaker is a double-sided geometry optimized for medium roughing. The reinforced land profile can handle deeper depths of cut ($a_p$) and higher feed rates compared to standard finishing geometries. It is the ideal solution for chip control in stringy materials, ensuring chips are broken efficiently to prevent machine downtime.
Recommended Cutting Parameters
Starting Values for Universal Success (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Steel (Carbon/Alloy) | 100 - 250 m/min | 0.20 - 0.55 mm/rev | 1.5 - 4.5 mm |
| Stainless Steel (304/316) | 80 - 180 m/min | 0.20 - 0.50 mm/rev | 1.5 - 4.0 mm |
HOLDER COMPATIBILITY
Pairs with standard heavy-duty PSSNR/L, DSBNR/L, or MSKNR/L 90° turning tool holders.
Shop Matching 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.