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Korloy MGMN300-02-M NC3120
Korloy MGMN300-02-M NC3120 is a high-performance grooving insert optimized for steel machining. The NC3120 CVD-coated grade delivers superior wear and heat resistance, while the M-type chipbreaker ensures stable chip control and smooth cutting — ideal for productivity and consistent quality in CNC operations.
- Korloy MGMN300-02-M NC3120 – Engineered for Precision Grooving in Steel Machining
When performance, reliability, and surface finish matter most — the Korloy MGMN300-02-M NC3120 delivers. Designed for high-precision grooving and parting applications, this insert combines Korloy’s latest CVD coating technology with advanced chipbreaker geometry to achieve superior productivity in steel machining.
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Maximize Your Groove — Longer Tool Life, Higher Stability, Cleaner Finishes!
Key Features & Specs
The Korloy MGMN300-02-M NC3120 is a CVD-coated carbide grooving insert designed for precision external and internal grooving of steels under both continuous and interrupted cutting conditions. Its M-geometry chipbreaker delivers excellent chip evacuation and smooth cutting even in medium feed rates, helping machinists achieve consistent surface quality with minimal vibration.
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Insert Type: MGMN300-02-M
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Grade: NC3120 (Korloy proprietary CVD-coated carbide)
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Geometry: M-type chipbreaker for stable cutting in steel grooving
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Coating: TiCN + Al₂O₃ + TiN CVD multilayer coating
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Application: Ideal for external & internal grooving of carbon steel and alloy steel
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Machining Range: Stable in medium to high-speed conditions
Why It’s a Best Seller
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🧱 Exceptional Wear Resistance: NC3120’s thick Al₂O₃ layer extends tool life in long production runs.
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⚙️ Reliable Chip Control: M-type breaker design ensures consistent chip flow, preventing built-up edge and tool damage.
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💨 Higher Cutting Efficiency: Delivers faster cutting speeds with stable performance — reducing downtime.
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💎 Superior Surface Finish: Produces clean, precise grooves for parts requiring tight dimensional accuracy.
🏭 Application Industries
Perfect for machining in:
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Automotive Components (shafts, housings, fittings)
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General Engineering (tool holders, mechanical parts)
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Hydraulic & Pneumatic Parts
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Aerospace Fasteners
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Frequently Asked Questions
It is optimized for steel machining (P group), including both carbon and alloy steels, under stable or slightly interrupted cutting conditions.
NC3120 features a CVD multilayer coating (TiCN + Al₂O₃ + TiN) that offers excellent heat and wear resistance, making it suitable for high-speed operations.
It’s primarily a grooving insert, but depending on toolholder compatibility, it can handle light parting operations with controlled depth.
NC3120 provides a balance between toughness and wear resistance — ideal for medium cutting conditions, whereas NC3030 is more wear-resistant for stable cuts and NC3125 is tougher for interrupted cuts.
You can purchase 100% genuine Korloy inserts exclusively from CNC Tools Depot – India’s Largest Marketplace for Carbide Inserts. Contact us directly on WhatsApp or Call for stock and price updates.
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