CNMA

ZANHO CNMA series is a heavy-duty 80° rhombic negative turning insert specifically designed for Rough Machining and machining of cast iron. With its Flat-Top (Plain) geometry, it provides maximum cutting edge strength and thermal stability. It is the ideal solution for heavy-load operations, large cutting depths (up to 7.0mm), and interrupted cuts where tool reliability is critical.

Categories: CNMG Inserts

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Key Performance & Features

Heavy Roughing Specialist: Designed for high-load turning and heavy metal removal, capable of handling cutting depths up to 7.0mm.
Flat-Top Edge Strength: The plain (non-chipbreaker) design offers the highest possible strength for the cutting edge, making it perfect for interrupted cuts and hard crust materials.
Cast Iron Optimization: Superior performance when machining grey cast iron and other materials that produce short, brittle chips.
Stable Reliability: Negative geometry ensures a thick cross-section for maximum heat dissipation and structural integrity during long-running roughing cycles.

Technical Specifications

Model	Feed (f)	Cut Depth (ap)
CNMA120404	0.25 - 0.60 mm/r	2.5 - 7.0 mm
CNMA120408	0.25 - 0.60 mm/r	2.5 - 7.0 mm
CNMA120412	0.25 - 0.60 mm/r	2.5 - 7.0 mm

Need a Solution for Interrupted Cuts?

ZANHO CNMA inserts are perfect for heavy-duty applications. Our team can recommend the optimal grade and coating for your specific cast iron or steel turning needs.

Looking for the right specification, grade, or coating for your market?

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