DHR237・DRB230・DHR237R

End mill for copper electrode series with great size expansion from all 193 sizes to all 321 sizes.

- Specification

DHR237 Long Neck Square End Mill for Copper Electrode

Size：Φ0.1 ～ Φ6（Total 74 sizes）

Flute：2

Coating：DLC coating

Key Features:

• Long neck square end mill specialized for copper electrode machining．
• Helix angle 37．5 degrees to achieve both sharpness and finished surface quality that prevents scratches on cutting surface．
• High quality and stable milling performance with long tool life by optimized design and DLC COATING．
• Machining copper tungsten electrodes is also effective．

- Specification

DRB230 Long Neck Ball End Mill for Copper Electrode

Size：R0.05 ～ R3（Total 94 sizes)

Flute：2

Coating：DLC coating

Key Features:

• Long neck ball end mill specialized for copper electrode machining.
• Sharp edge shearing ability and DLC COATING realized high quality and stable a long life processing.
• Machining copper tungsten electrodes is also effective.

- Specification

DHR237R Long Neck Radius End Mill for Copper Electrode

Size：Φ0.2×R0.02 ～ Φ6×R1（Total 153 sizes)

Flute：2

Coating：DLC coating

Key Features:

• Long neck radius end mill specialized for copper electrode machining.
• 37.5°helix angle provides both sharpness shearing ability and finishing surface quality，combining the most suitable cutting edge design realizes the higher quality of finishing surface.
• High quality and stable milling performance with long tool life by optimized design and DLC COATING.
• Machining copper tungsten electrodes is also effective.