Commencing with an introduction into the basic components of a locking element, this section provides details of the principles of operation, the design considerations and standard locking element details for different applications.

Locking elements are used for a number of different functions although the transmission of torque is usually a fundamental requirement.

For more details concerning each type of locking element and the applicable design information, learners should consult the appropriate sections indicated in the contents bar to the left of your screen.