Korloy MGMN500-M NC3020 5mm Double-Ended Steel Grooving Insert (10pcs)
Price shown is a starting point. Contact us for a precise quote based on your requirements.
The Original Korloy MGMN500-M NC3020 is a heavy-duty 5.0mm Double-Ended Grooving Insert engineered for High-Productivity Steel Machining. When stability is guaranteed and speed is the priority, the NC3020 CVD grade excels. Its advanced multi-layer coating provides a hard thermal barrier, making it ideal for continuous cutting of carbon steels and alloy steels at higher surface speeds, ensuring consistent precision for large-scale components.
Maximize Your Output: NC3020 is optimized for wear resistance. It handles the high temperatures generated during 5mm wide grooving far better than toughness-oriented grades, allowing for longer intervals between tool changes in stable CNC environments.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | MGMN500-M |
| Insert Width (w) | 5.0 mm |
| Grade | NC3020 (High-Speed Wear Resistant CVD) |
| Chipbreaker | -M (Stable Medium-Cutting Geometry) |
Core Performance Benefits:
- Superior Wear Resistance: Specifically designed to resist flank and crater wear during long-duration cuts in solid bars.
- 5.0mm High-Rigidity: The extra width provides exceptional strength for deep radial grooving without tool deflection.
- Advanced Heat Management: The CVD coating effectively dissipates heat, protecting the carbide substrate during high-speed operations.
- Double-Ended ROI: Two high-performance cutting edges per insert offer the best cost-to-efficiency ratio for large workshops.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Medium Carbon Steel (1045) | 140 - 250 m/min | 0.12 - 0.28 mm/rev |
| Alloy Steel (4140/SCM440) | 110 - 200 m/min | 0.10 - 0.22 mm/rev |
| Mild Steel (Low Carbon) | 160 - 300 m/min | 0.15 - 0.32 mm/rev |
Compatible Tool Holders:
Must be used with heavy-duty 5.0mm MGEHR/L external holders for proper support:
- External Holders: MGEHR 2525-5 / 3232-5
Smart Choice: NC3020 vs. NC3030 for 5.0mm Parting
For large-scale grooving, your machine setup determines the best grade:
The Efficiency Leader. Use for high-speed CNC cutting and stable environments. It offers the longest life against wear.
The Tough Guardian. Use for interrupted cuts, vibrations, or manual lathe operations where impact resistance is crucial.
Machinist's Pro Tip: For the MGMN500-M NC3020, ensure your coolant volume is high. Since the insert is wide, heat can build up quickly. NC3020's coating is designed for these temperatures, but a steady flow of coolant will maximize its wear-resistant properties.
Packaging: 10 pieces per box.
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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.