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Korloy CNMG120404-MP NC3225
Upgrade your turning game — the Korloy CNMG120404-MP NC3225 brings longer tool life, stable machining, and great surface finish. Perfect for steel turning in automotive, aerospace, mold & general engineering. DM or WhatsApp CNC Tools Depot now for stock & pricing. #CarbideInserts #CNCTools #Korloy #CNCmachining
When you choose the Korloy CNMG120404-MP NC3225, you’re investing in consistent performance, long insert life, and less downtime. This insert is built on Korloy’s proven CVD-coated steel-turning grade NC3225 — engineered to offer excellent wear resistance, stability, and chipping/heat resistance under medium-speed, medium-cut conditions typical for forged, alloy or carbon-steel components
Hook / Attention Line
Want fewer tool changes, smoother cuts and lower cost per component? The Korloy CNMG120404-MP NC3225 gives you longer tool life, stable cutting and top-notch surface finish — saving time, money and headaches.
Key Features & Specs
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Geometry: CNMG style, 80° diamond-shaped negative insert, ISO code CNMG120404-MP.
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Chipbreaker: MP chip breaker — optimized for medium cutting, reliable chip control even under higher feed or varied depth of cut.
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Grade: NC3225 — a universal steel grade, with CVD coating (TiCN + Al₂O₃ + TiN) for high wear resistance and great toughness.
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Material: Carbide substrate for strength and durability.
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Cutting applications: Ideal for turning and boring steel components; also suitable for heavier cuts and medium-to-finish turning. (While primarily a turning insert, CNMG geometry can also be used in some holders for facing/boring depending on setup.)
Why It’s a Best Seller
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Longer tool life: Compared to older P-grade inserts, NC3225 shows 20–33% increase in tool life under typical steel turning conditions — fewer insert changes, longer runs, less downtime.
Stable cutting & chip control: The MP chipbreaker ensures stable chip evacuation even under medium to heavy cuts or variable feed/depth — reducing risk of chip clogging, improving consistency. -
Wear & oxidation resistance: The CVD-coated carbide substrate resists wear, chipping and built-up edge — perfect for tough steels and repeated cutting cycles.
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Versatility: Negative insert geometry + multiple cutting edges (up to 8 edges per insert) — gives excellent value per insert and flexibility for different operations (external turning, facing, boring with proper holders).
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Better surface finish & consistency: Sharp, stable cutting edge helps deliver smoother surface finish — reducing rework and improving final part quality.
🏭 Application Industries
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Automotive manufacturing (shafts, engine components, transmission parts)
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Aerospace (structural steel parts, components needing consistent steel turning)
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Die & Mold — steel mould bases, forged mold components
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General Engineering, Heavy Machinery, Industrial Components — shafts, pins, housings, forged & fabricated steel parts
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Frequently Asked Questions
It’s optimized for carbon and alloy steels — perfect for general steel turning, forged steel, shafts, frames, and other heavy-duty steel components.
The CNMG insert is ideal for turning and boring operations. With proper holder, it can also be used for facing. The MP chipbreaker lets you do medium to heavy cutting with stable chip control.
Because it’s a negative-geometry insert, you get up to 8 usable cutting edges — which maximizes value and reduces cost per part.
NC3225 uses modern CVD-coated carbide with improved wear resistance and toughness. In tests, inserts in NC3225 grade achieved 20–33% longer tool life versus traditional P-grade — meaning fewer tool changes and more stable runs
Industries like automotive, aerospace, die & mold manufacturing, general engineering and heavy machinery — anywhere you need reliable, repeatable steel turning with strong tool life, consistent finish and reduced downtime.
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