adjustable screw
grabcad
The text states that you can modify the price by tipping $0.19 for a #10 option or $0.16 for a #8 choice, and don't forget to consider the length as well.
Download Model from grabcad
With this file you will be able to print adjustable screw with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on adjustable screw.