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CNMG Series Cemented Carbide Turning Insert Boost CNC Machining Productivity for Your Workshop

All-Material Adaptability: Effortlessly machines carbon steels (P-group), alloy steels, stainless steels (M-group), and even high-temperature alloys—one insert series replaces multiple tools, cutting your tool inventory costs by 30%+.

Full Model Coverage: 5 hot-selling models (CNMG090304/090308/120404/120408/120412) fit 90% of medium-duty turning tasks, from precision semi-finishing of small workpieces to stable machining of large components.

80° Rhombic Design: Balances “hard-to-reach area access” and “cutting stability”—perfect for machining complex workpieces like engine shafts and gear blanks, reducing rework rates caused by tool limitations.

0° Clearance + Hole-Mounted Fixation: Enhances cutting edge rigidity and anti-loosening performance; even at high spindle speeds (up to 80m/min for high-temperature alloys), it stays stable, avoiding scrap due to tool vibration.

Tailored Nose Radii: 0.4mm (for ultra-fine surface finish), 0.8mm (all-purpose), 1.2mm (heavy-duty) options—no need to replace tool holders, just switch inserts to meet different surface quality requirements.

Keywords

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Description

Technical Parameter Quick Reference (Simple & Practical)

Model Suitable Workpiece Size Maximum Cut Depth Feed Rate Surface Finish Best for
CNMG090304 Small parts (φ10-50mm) 0.1-1.5mm 0.04-0.20mm/rev Ra 0.8μm Precision semi-finishing (e.g., small shafts)
CNMG090308 Small parts (φ10-50mm) 0.2-2.0mm 0.08-0.25mm/rev Ra 1.6μm General semi-finishing (e.g., small gears)
CNMG120404 Large parts (φ50-150mm) 0.1-1.5mm 0.04-0.20mm/rev Ra 0.8μm Precision semi-finishing (e.g., engine blocks)
CNMG120408 Large parts (φ50-150mm) 0.2-2.0mm 0.08-0.25mm/rev Ra 1.6μm General semi-finishing (e.g., bearing seats)
CNMG120412 Heavy-duty parts (φ100-200mm)

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