1x1 (2525) m5 tslot nut

I am using 10 series ( 1"x1" or 2525) extruded aluminum to build a 3d printer , and I had a hard time fined the sliding nuts to fit so i made this .
Theses are designed using #10-32 nuts from home depot link is here
http://www.homedepot.com/p/Everbilt-10-32-Zinc-Plated-Machine-Screw-Nut-100-Pieces-18532/202249714