KORLOY MGMN200-G NC3120 Indexable Parting & Grooving Inserts | PVD Coated Carbide Inserts for CNC Lathe Cut-Off Tools (10pcs/box) / MGMN200-G NC3120 Metric & Imperial Grooving Tooling
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KORLOY MGMN200-G NC3120 Indexable Parting, Grooving & Turning Inserts (10pcs/box)
High-Performance PVD Coated Carbide Inserts with G-Type Chipbreaker for CNC Lathe Cut-Off and Precision Grooving
1. Product Overview: Which grooving insert is best for precision parting, superior thermal shock resistance, and stable tool life during CNC lathe machining?
Which indexable parting and grooving insert featuring specialized G-type chipbreaker geometry, high edge strength, and advanced PVD metallurgical coatings offers superior chip evacuation, minimal cutting resistance, and smooth surface finishes when executing deep grooving, cut-off, and profiling operations on CNC turning centers? Backed by certified metalworking research and industrial tooling parameters, the KORLOY MGMN200-G NC3120 (equivalent metric and imperial grooving configurations) is engineered specifically for stable, high-efficiency material removal across demanding industrial applications. It utilizes the advanced NC3120 grade—a specialized PVD coated carbide substrate optimized for high toughness, thermal stability, and superior resistance to flank wear and plastic deformation when machining carbon steels and alloy steels. Combined with its unique G-type geometry, it guarantees controlled chip curling, reliable chip breakage, and extended tool durability.
2. Product Core Advantages (Key Features)
- NC3120 Advanced PVD Grade: Features a high-toughness carbide substrate combined with a multi-layer PVD coating engineered to withstand extreme thermal stress and wear during steel parting and grooving operations.
- G-Type Chipbreaker Geometry: Designed with a sharp, positive cutting edge and specialized ground geometry that delivers excellent chip control and narrow chip curling across various feed rates.
- Indexable Economy: Precision-ground dual-edge design maximizes insert utilization, significantly lowering per-part production costs in high-volume lathe turning.
- Secure Clamping Stability: Engineered to fit securely into standard modular grooving blocks and blades, eliminating micro-vibration and ensuring high dimensional accuracy.
3. Technical Specifications & Cutting Parameters
Review the metric and imperial specifications alongside recommended cutting parameters (feed rate and cutting speed) for optimal CNC lathe programming.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Type / Series | MGMN Grooving & Parting Insert | MGMN Grooving & Parting Insert |
| Width / Size Code | 2.0 mm (MGMN200-G) | 0.079 in (Inch Compatible) |
| Carbide Grade | NC3120 (PVD Coated) | NC3120 PVD Coated |
| Recommended Feed Rate (fn) | 0.04 - 0.10 mm/rev | 0.0016 - 0.0039 in/rev |
| Cutting Speed (Vc) - Steel & Alloy | 130 - 250 m/min | 426 - 820 SFM |
Model Nomenclature Breakdown: MGMN200-G NC3120
Grooving insert series
Width (2.0mm)
Ground G-type chipbreaker
PVD Coated Grade
Looking for rigid external grooving toolholders, cut-off blades, or modular blocks designed for secure MGMN insert clamping?
Explore Compatible Grooving Holders & Cut-Off Blades4. Product Application Scenarios
Optimized for CNC lathe operations involving parting-off, external grooving, face grooving, and profile turning across carbon steels (C45, 1045), alloy steels (4140, 4340), and low-alloy construction steels.
5. Compatibility (Tooling & Equipment)
- Toolholders & Blades: Fits all standard external grooving toolholders and parting blades engineered for MGMN200 pocket dimensions.
- Machine Platforms: Designed for CNC turning centers, automatic lathes, Swiss-type lathes, and conventional engine lathes.
- Coolant Systems: Fully compatible with high-pressure internal coolant delivery and flood coolant setups to optimize chip evacuation and thermal management.
6. Grade Comparison & Workpiece Material Matrix
Evaluating how grade NC3120 performs across different ISO material classifications ensures maximum productivity and predictable tool life.
| ISO Material Group | Workpiece Description | KORLOY NC3120 Performance | Equivalent Industry Grades |
|---|---|---|---|
| P Group (Steel) | Carbon Steel & Alloy Steel (C45, 4140, 4340) | Advanced PVD coating provides exceptional resistance to thermal wear and edge chipping during continuous steel parting. | Sandvik GC4325 / Iscar IC830 |
| K Group (Cast Iron) | Gray Cast Iron & Ductile Iron (GG25, GGG40) | Balanced substrate toughness resists abrasive wear under moderate cutting speeds. | Kennametal KCPK20 / Seco TK1001 |
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 turning 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 NC3120 grade grooving inserts?
A: NC3120 is a robust PVD coated grade optimized for parting-off, external grooving, and turning operations in carbon steels and alloy steels.
Q: How does the G-type chipbreaker perform during high-feed parting operations?
A: The ground G-type geometry controls chip formation and curls chips tightly, preventing entanglement around the workpiece and tool.
Q: How many inserts are included in each box?
A: Each factory-sealed box contains 10 indexable grooving 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
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.