OKS 2501 – White Allround Paste, metal-free, Spray

High-temperature paste on ceramic basis for lubricating heavily loaded sliding surfaces.

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Areas of application

  • Lubrication of highly stressed sliding surfaces, especially at low slip speeds or with oscillating movements, for example with screwed, mating or bayonet connections made of high-alloy steel or non-ferrous metals
  • Surface separation of temperature-stressed threaded connections, for example at combustion engines and turbines
  • Corrosion protection at screws, pins, bolts, flanges, spindles and fits
  • For stainless-steel connections

Advantages and benefits

  • Economic product solution for users who previously used a wide variety of pastes
  • Resistant to hot and cold water and also to most acids and lyes
  • Excellent corrosion protection
  • Contains Moₓ-Active for increased performance
  • Metal-free
  • Also available as spray version OKS 2501

Technical specifications

  • lower operating temperature: -40 °C
  • upper operating temperature: 200 °C / 1,400 °C (lubrication / separation)
  • press-fit test (μ): 0,10, no chatter
  • four-ball test rig welding load: 3,600 N
  • thread friction coefficient (μ total): 0.12 / 0.15 (screw ISO 4017 M10x55-8.8 black-oxide, nut ISO 4032 M10-10 black-oxide / Screw ISO 4017 A2 M10x55-70, Nut ISO 4032 A2 M10-70)


To achieve optimal adhesion remove soiling as well as other lubricants from the thread and sliding surfaces. Evenly spray a sufficient amount of OKS 2501 onto the head or nut contact surface and thread. The paste will also act as a sealant. Caution: Do not use paste instead of grease and mix only with suitable lubricants.

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