Mitsubishi GY2M0200D020N-MM VP20RT Grooving Insert | MMC Japan
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GY2M0200D020N-MM VP20RT
Mitsubishi Materials | GY Series Grooving System
The Mitsubishi GY2M0200D020N-MM VP20RT is a professional-grade 2.0mm width insert specifically designed for the modular GY Series grooving system. This insert features the advanced VP20RT Miracle PVD coating, engineered for extreme reliability when machining Stainless Steel and Tough Alloys. The MM chipbreaker (Medium Cutting) is the versatile industry standard for excellent chip control in both grooving and turning applications.
Technical Specifications
| Part Number (Metric) | GY2M0200D020N-MM |
|---|---|
| ANSI Designation (Inch) | GY2M 079-D008-MM |
| Groove Width (CW) | 2.0 mm (.0787") |
| Corner Radius (RE) | 0.2 mm (.0079") |
| Coating Grade | VP20RT (Miracle PVD) |
VP20RT Miracle Coating
The VP20RT grade utilizes a high-adhesion PVD coating that excels in preventing thermal cracking. It is the first choice for heat-resistant alloys and austenitic stainless steels, providing a stable cutting edge during high-temperature grooving cycles.
MM Chipbreaker Logic
The MM (Medium Cutting) geometry is designed for balanced chip evacuation. It effectively prevents long, stringy chips in steel and stainless steel, ensuring a high-quality surface finish and reducing machine downtime.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed Rate ($f$) |
|---|---|---|
| Stainless Steel (304/316) | 80 - 150 m/min | 0.05 - 0.15 mm/rev |
| Carbon / Alloy Steel | 100 - 180 m/min | 0.05 - 0.18 mm/rev |
MODULAR SYSTEM COMPATIBILITY
This insert must be used with the GY Series Modular System (Holder + Blade).
SHOP GY TOOL HOLDERS & BLADES →Metric (ISO) vs. Inch (ANSI) Reference
| Measurement | Metric: GY2M0200D020N | Inch: GY2M 079-D008 |
|---|---|---|
| Groove Width | 2.00 mm | .0787" |
| Corner Radius | 0.20 mm | .0079" |
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.