Korloy MGMN200-M PC9030 2mm Double-Ended Stainless Steel Grooving Insert (10pcs)
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The Original Korloy MGMN200-M PC9030 is a high-performance 2.0mm Double-Ended Grooving Insert specifically engineered for Stainless Steel and General Steel Machining. Featuring the legendary PC9030 PVD grade, this insert is the industry's go-to choice for tackling the challenges of gummy materials like 304 and 316 stainless steel. Its high-toughness substrate and specialized PVD coating prevent built-up edge (BUE) and chipping, ensuring precision and reliability in narrow-groove applications.
Stainless Steel Specialist: PC9030 is optimized to resist the high heat and work-hardening characteristic of stainless alloys. At 2.0mm width, it offers a perfect balance between material efficiency and tool strength for parting off tubes and solid bars.
Technical Specifications:
| Brand | Korloy (100% Genuine) |
| ISO Code | MGMN200-M |
| Insert Width (w) | 2.0 mm (+/- 0.02) |
| Grade | PC9030 (Universal Stainless Steel - PVD) |
| Application | Stainless Steel (M), Carbon Steel (P), Super Alloys (S) |
Core Performance Benefits:
- Anti-Sticking Technology: Specialized PVD layer reduces friction and prevents material welding on the cutting edge.
- Exceptional Toughness: High-quality sub-micron substrate resists fracturing during interrupted or heavy-load cuts.
- Versatile Precision: The -M chipbreaker geometry ensures stable chip control across a wide range of feed rates.
- High Thermal Stability: Maintains hardness at elevated temperatures, ideal for tough-to-cut stainless alloys.
Recommended Cutting Parameters:
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (f) |
|---|---|---|
| Stainless Steel (304/316) | 80 - 150 m/min | 0.05 - 0.12 mm/rev |
| Mild Steel / Low Carbon Steel | 100 - 180 m/min | 0.05 - 0.15 mm/rev |
| Heat Resistant Alloys | 30 - 60 m/min | 0.04 - 0.10 mm/rev |
Compatible Tool Holders:
For high-precision 2.0mm grooving, we recommend these rigid MGEHR/L holders:
- External Holders: MGEHR 1010-2 / 1212-2 / 1616-2 / 2020-2 / 2525-2
The Grade Choice: PC9030 vs. PC5300
Korloy offers different PVD coatings for varied challenges. Here is how they compare for 2.0mm grooving:
The Stainless Specialist. Optimized for the sticky nature of M-group materials. It provides much better tool life in stainless steel compared to general-purpose grades.
The Universal Tough Grade. Excellent for carbon steel and interrupted cuts in general steel, but may experience faster crater wear in high-nickel stainless steels.
Machinist's Pro Tip: For MGMN200-M PC9030 on stainless steel, use high-pressure coolant if possible to wash away long stringy chips and reduce heat at the narrow 2.0mm tip. If dry cutting, reduce cutting speed by 20% to avoid premature edge deformation.
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.