Carbon Capture Technology World Expo
09 Oct 2025
SCHNORR Safety Washers
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Functional Principle
SCHNORR® safety washers are in the form of a disc spring but with a trapezoidal cross-section and serrations on both sides. The outer diameter is matched to the head diameter of the pan head and socket head cap screws.
SCHNORR® safety washers are available in two versions: the standard safety washer type “S” is available for screws of sizes M1.6 to M36 and of the property classes up to 8.8. For screws of property classes 8.8 and 10.9, higher pretension forces might be necessary. These are covered by our reinforced washers type “VS”.
Due to the conical form, optimal traction is achieved at highest positive locking due to the helical gearing.
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