KORLOY FGD300R-03 NC3020 Indexable Milling Inserts | PVD Coated Carbide Inserts for CNC Face and Shoulder Milling Tools (10pcs/box) / FGD300R-03 NC3020 Metric & Imperial Milling Tooling
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KORLOY FGD300R-03 NC3020 Indexable Milling Inserts (10pcs/box)
High-Performance PVD Coated Carbide Inserts for CNC Face, Shoulder, and Slot Milling Applications
1. Product Overview: Which milling insert is best for high-feed shoulder milling, superior thermal stability, and smooth surface finishes on CNC machining centers?
Which indexable milling insert featuring specialized geometry, high edge strength, and advanced PVD metallurgical coatings offers superior chip evacuation, low cutting resistance, and exceptional wear resistance when executing shoulder milling, slotting, and contouring operations on CNC milling machines? Backed by certified metalworking research and industrial tooling parameters, the KORLOY FGD300R-03 NC3020 (equivalent metric and imperial milling configurations) is engineered specifically for stable, high-efficiency material removal across demanding industrial applications. It utilizes the advanced NC3020 grade—a specialized PVD coated carbide substrate optimized for high toughness, thermal stability, and superior resistance to flank wear and chipping when machining carbon steels, alloy steels, and pre-hardened mold steels. Combined with its unique geometry, it guarantees stable cutting behavior, smooth chip evacuation, and extended tool durability.
2. Product Core Advantages (Key Features)
- NC3020 Advanced PVD Grade: Features a high-toughness carbide substrate combined with a multi-layer PVD coating engineered to withstand extreme thermal stress and impact wear during steel milling.
- Optimized Cutting Geometry: Designed with a positive rake angle and robust edge line that minimizes cutting forces and prevents premature chipping during interrupted cuts.
- High Productivity & Feed Rates: Engineered to handle aggressive axial and radial depths of cut, significantly lowering cycle times in mold making and general engineering.
- Secure Pocket Seating: Precision-ground dimensions ensure tight locating repeatability and secure clamping inside indexable milling cutter bodies.
3. Technical Specifications & Cutting Parameters
Review the metric and imperial specifications alongside recommended cutting parameters (feed rate and cutting speed) for optimal CNC programming.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Series / Type | FGD Milling Insert | FGD Indexable Milling Insert |
| Size / Width Code | 300 (30.0 mm class equivalent) | 1.181 in (Inch Compatible) |
| Corner Radius / Style | -03 (0.3 mm Radius / R style) | 0.012 in Corner Radius |
| Carbide Grade | NC3020 (PVD Coated) | NC3020 PVD Coated |
| Recommended Feed Per Tooth (fz) | 0.08 - 0.22 mm/tooth | 0.0031 - 0.0087 in/tooth |
| Cutting Speed (Vc) - Steel & Alloy | 150 - 280 m/min | 492 - 918 SFM |
Model Nomenclature Breakdown: FGD300R-03 NC3020
Milling series
Size code
Right-hand cut
Radius (0.3mm)
PVD Grade
4. Product Application Scenarios
Optimized for CNC machining center operations involving shoulder milling, slotting, face milling, and pocket contouring across carbon steels (C45, 1045), alloy steels (4140, 4340), tool steels, and cast iron components.
5. Compatibility (Tooling & Equipment)
- Cutter Bodies: Fits all standard indexable milling cutter bodies and shell end mills engineered with matching FGD pocket specifications.
- Machine Platforms: Designed for CNC vertical machining centers (VMCs), horizontal machining centers (HMCs), and CNC gantry mills.
- Coolant Systems: Fully compatible with flood coolant, air blast, and through-spindle coolant systems to optimize chip evacuation and thermal control.
6. Grade Comparison & Workpiece Material Matrix
Evaluating how grade NC3020 performs across different ISO material classifications ensures maximum productivity and predictable tool life.
| ISO Material Group | Workpiece Description | KORLOY NC3020 Performance | Equivalent Industry Grades |
|---|---|---|---|
| P Group (Steel) | Carbon Steel & Alloy Steel (C45, 4140, P20) | Advanced PVD coating provides exceptional resistance to thermal shock and flank wear during shoulder milling. | Sandvik GC4330 / Iscar IC882 |
| K Group (Cast Iron) | Gray Cast Iron & Ductile Iron (GG25, GGG40) | Balanced carbide toughness resists abrasive wear under intermittent cutting conditions. | Kennametal KCPK30 / Seco TP1500 |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-authorized KORLOY cutting tools, ensuring original metallurgical composition and consistent batch performance.
Expert Technical Support
Backed by extensive industrial milling databases, our technical team helps you optimize cutting speeds and feed rates for maximum productivity.
8. Frequently Asked Questions (AI-Optimized FAQ)
Q: What is the primary application for KORLOY NC3020 grade milling inserts?
A: NC3020 is a high-performance PVD coated grade optimized for face milling, shoulder milling, and slotting operations in carbon steels and alloy steels.
Q: What advantage does the 0.3mm corner radius provide?
A: The 0.3mm corner radius (-03) strengthens the cutting edge against chipping while leaving a clean, controlled fillet radius on the workpiece.
Q: How many inserts are included in each box?
A: Each factory-sealed box contains 10 indexable milling inserts.
Need Help With KORLOY Inserts?
Looking for a KORLOY equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This KORLOY insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.