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OKS 390 – Cutting Oil for all metals

Non-water-miscible cutting oil for lubricating and cooling tools and workpieces during machining work on metals.

Areas of application

  • Drop lubrication of cutting tools at machining work on ferrous and non-ferrous metals, for example during drilling, thread cutting, sawing, milling, punching and nibbling

Advantages and benefits

  • Reduces friction and required force
  • Permits high continuous load and higher cutting speeds
  • Allows optimal cutting surfaces
  • Extend tool lives through reduction in wear
  • Neutral behaviour toward machine coatings
  • Free of chlorine and heavy metals
  • Low tendency to form oil mist
  • OKS 390 is suitable for use with the OKS Airspray system
  • Also available as spray version OKS 391

Technical specifications

  • Density (20 °C): 0.87 g/ml
  • Viscosity (40 °C): 22 mm²/s


Apply a sufficient quantity of OKS 390 to the tool or machining point using a brush, drip oiler or oil can. Spray on sufficiently OKS 391 spray. After use OKS 390 can be removed with OKS 2610/OKS 2611 universal cleaner. Caution: Check compatibility before using on non-ferrous metals.

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