use <threads.scad>;

Groove1=true;
Winkel=0; // [0:5:360]

intersection() {
  
  union() {
    
    difference() {
      cylinder(d=30, h=30);
      cylinder(d1=29, d2=27, h=1);
      metric_thread(diameter=26.2, pitch=6, thread_size=2, length=30, leadin=0, n_starts=1, groove=Groove1);
    }

    rotate([0,0,0]) metric_thread(diameter=26, pitch=5, thread_size=2, length=30, leadin=0, groove=false);

  }

  translate([0,50,0]) cube (100, center=true);
}