DIN V 65900-18:2001-01

The document provides a calculation method to formulate: the seating torque, the seating torque for vibration test, the wrench feature torque, in technical specifications for self-locking bihexagonal nuts. For already published technical specifications (EN 3004, EN 3005, EN 3152, EN 3752, EN 4047, EN 4048), annex A to annex F respectively gives explanations of differences between specified values and formulae hereafter.