CNMG120412-HK C1120

The CNMG120412HK C1120 is a premium 80 diamond-shaped negative carbide turning insert designed for medium to rough turning applications. Featuring the HK chipbreaker and C1120 wear-resistant grade, it delivers excellent chip control, high edge strength, and long tool life. The double-sided design provides multiple usable cutting edges, making it an economical choice for CNC lathes and conventional turning machines. It is ideal for machining carbon steel, alloy steel, stainless steel, and cast iron.

Technical Specifications

Dimensions conform to the ISO CNMG120412 standard.

Features

• Premium cemented carbide substrate
• C1120 wear-resistant grade
• HK chipbreaker for efficient chip control
• Double-sided design with eight usable cutting edges
• High wear and heat resistance
• Excellent edge strength
• Stable machining performance
• Long tool life
• High dimensional accuracy
• Suitable for continuous and interrupted cutting
• Compatible with ISO CNMG tool holders
• Suitable for dry and coolant-assisted machining

Applications

• External Turning
• Internal Turning
• Facing
• Medium Turning
• Rough Turning
• Semi-Finishing
• Profile Turning
• CNC Turning
• General Metal Machining

Suitable Materials

• Carbon Steel
• Alloy Steel
• Stainless Steel
• Cast Iron
• Tool Steel

Advantages

• Excellent chip control
• High wear resistance
• Strong cutting edge
• Extended tool life
• Reduced tooling costs
• Stable machining performance
• Superior surface finish
• Increased machining productivity

Corrosion Resistance

• Good corrosion resistance during storage
• Excellent oxidation resistance
• High wear resistance under demanding machining conditions
• Suitable for both dry and coolant-assisted machining

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