Cross-head screws for mounting fans on radiators. With flat head screws the dimension refers to the actual length of the thread. The complete screw length is specified for countersunk screws. These screws can be used to attach the radiator with fans and fan grilles to a housing. The M3 thread is compatible with (as of 05 2006):

NexXxoS Pro

NexXxoS Xtrem

Airplex Evo