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Deskar CNMG120404 LF3018
Introducing the DESKAR CNMG120404 LF3018 carbide insert – designed for high-performance finishing in turning and milling, delivering longer tool life, reduced changeovers and better surface finish across automotive, aerospace, die & mold and general engineering.
- Deskar CNMG120404 LF3018 Turning Insert – Precision, Performance & Productivity Combined
The Deskar CNMG120404 LF3018 carbide turning insert is engineered to deliver exceptional performance in steel and cast iron machining. With its premium-grade substrate and advanced CVD coating, this insert ensures longer tool life, improved wear resistance, and superior surface finish, making it a go-to choice for professional machinists and CNC operators across industries.
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Cut faster, last longer, cost less per part — the DESKAR CNMG120404 LF3018 insert gives you high-productivity turning and milling at a fraction of downtime.
Key Features & Specs
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Geometry: CNMG120404 (negative 80° rhombic insert) – ideal for stable turning applications.
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Grade: LF3018 – developed for cast iron and steel finishing, offering high wear resistance and precision finish.
Coating: CVD/CVD-type – enabling strong edge stability and longer tool life under demanding conditions. -
Application mode: Turning (especially finishing), compatible with CNMG toolholders, and also used in light milling or face-turning where insert geometry matches.
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Material suitability: Cast iron, steel (finishing), general engineering materials.
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Pack and supply details: Commonly supplied in packs of 10 inserts
Why It’s a Best Seller
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Less downtime & fewer changeovers – thanks to high edge strength and wear resistance of LF3018 grade, you get more parts per index cycle.
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Superior surface finish – the geometry and coating combo gives you sharper edges and cleaner cuts, reducing post-machining cleanup.
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High wear resistance – ideal for production environments where consistent performance is critical; lowers cost per component.
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Versatility in alignment – the CNMG form fits many standard turning holders, enabling you to optimize your inventory across jobs.
🏭 Application Industries
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Automotive – engine blocks, cylinder heads, brackets, housings
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Aerospace – structural components, landing gear machining, finishing of high-value parts
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Die & Mold – precision finishing of mold cavities, cores, tooling steel
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General Engineering – shafts, spindles, housings, medium-duty finishing operations
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Frequently Asked Questions
The LF3018 grade is tuned for cast iron and steel finishing operations, delivering reliable performance and good surface finish
While the CNMG120404 LF3018 can handle light roughing, it is optimized for finishing (stable cuts, finer feed rates) rather than heavy roughing, so if you're doing heavy stock removal you might look at more aggressive grades.
The CNMG120404 geometry fits standard negative insert tool-holders with 80° rhombic shape (e.g., MCLNR/L, MCKNR/L). Ensure the holder is compatible and clamped securely to get full benefit.
LF3018 delivers enhanced wear and edge stability thanks to its coating and substrate design, which translates into reduced changeovers, lower consumable cost per part and improved finish — making it a cost-effective choice for production.
At CNC Tools Depot, we list stock daily and can handle bulk orders. Send us a WhatsApp or DM with your requirements (insert size, quantity) and we’ll quote current availability and delivery timeline — many items ship from our warehouse in India.
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