Screwed fasteners – beginners

Coefficients of friction are a further criterion for high-quality surfaces, the function of the connection is largely dependent on these. They result in the torque that keeps the connection together.


  • Basket basics for screws and bolts, geometry, strength classes
  • Physical size, friction in screwed fasteners/nuts
  • Determination of coefficients of friction DIN EN ISO 16047
  • Further customer specifications
  • Practical measurements, programming tips