Hex nuts ~0,8d
M10; M12: wrench size according to ISO on request
Certificate is available on request for specific properties such as friction coefficients.
For fasteners with a tribological coating, it is essential to clarify the requirements in advance, in particular a validation of the friction values is required for nominal dimensions > M12!
Property class 8
Surface zinc plated blue with CresaCoat® C 307 Black