wood screw
thingiverse
I upload the model to GrabCAD and it's immediately converted into an STL file, which I then download along with the step file that spawned it. You can check out the original files here: https://grabcad.com/library/wood-screw-8. This specific STL is a representation of the longest screw in the set.
Download Model from thingiverse
With this file you will be able to print wood 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 wood screw.