6 // https://en.wikipedia.org/wiki/ISO_metric_screw_thread
11 thread_act = thread_nom - 0.300;
21 base_dia = head_size / cos(30);
23 module MachineScrew(){
24 translate([0, 0, -0.1])
26 metric_thread(diameter=thread_act, pitch=thread_pitch,
27 leadin=1, internal=false,
28 test=$test, length=thread_len + 0.1);
30 circle(r= base_dia/2, $fn=6);