Mitsubishi SCMT09T304-MM VP15TF Carbide Insert | Genuine MMC
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SCMT09T304-MM VP15TF
Mitsubishi Materials | The Miracle Grade Medium-Duty Specialist
The Mitsubishi SCMT09T304-MM VP15TF is a premium indexable turning insert designed for versatile performance in medium-duty machining. Powered by the world-renowned VP15TF Miracle Grade PVD coating, this insert provides exceptional wear resistance and stability. The MM chipbreaker is specifically engineered for medium cutting depths, offering superior chip control in both stainless steel turning and general carbon steel applications on CNC lathes.
ISO Designation Decoded
Square 90°
7° Relief Angle
M-Class Tol.
Countersink
9.525mm Size
3.97mm Thick
0.4mm Radius
Medium-Cut
Technical Specifications
| Feature | Metric Designation | Inch (ANSI) Designation |
|---|---|---|
| Model Name | SCMT09T304-MM | SCMT 32.51 MM |
| Inscribed Circle ($IC$) | 9.525 mm | 3/8" |
| Thickness ($S$) | 3.97 mm | 5/32" |
| Corner Radius ($R_e$) | 0.4 mm | 1/64" |
VP15TF Miracle Coating
The VP15TF Miracle Grade is a multi-layered PVD coating optimized for versatility. It excels in machining stainless steel and alloy steels by providing high resistance to welding (BUE) and oxidation. This grade is famous for its long tool life and stable performance in precision machining across various material groups.
MM Chipbreaker Logic
The MM Chipbreaker (Medium-Cut) is the "all-rounder" geometry. It features a reinforced cutting edge to handle fluctuating cutting resistance. Unlike finishing breakers, the MM is designed to break chips effectively at moderate depths of cut and feed rates, preventing chip entanglement during internal or external CNC turning.
Recommended Cutting Parameters
General Application for Steel & Stainless (VP15TF)
| Material Group | Cutting Speed ($v_c$) | Feed Rate ($f$) | Depth of Cut ($a_p$) |
|---|---|---|---|
| Stainless Steel (SUS304) | 100 - 180 m/min | 0.10 - 0.25 mm/rev | 0.5 - 2.5 mm |
| Carbon/Alloy Steel | 150 - 250 m/min | 0.12 - 0.30 mm/rev | 0.5 - 3.0 mm |
LATHE TOOL HOLDER COMPATIBILITY
The SCMT09T3 series is compatible with Mitsubishi SSDCN external holders and SSBCR/L internal boring bars.
Shop Matching 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.