OKS 391 – Cutting fluid, for all metals, Spray

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

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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
  • Also available as Duo label

Technical specifications

  • density (at 20°C): 0.69 g/cm³
  • viscosity at (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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