Diagram of Square Thread Nut and Screw
A representation of the square threaded nut and screw. The left image shows the threaded screw with a continuous helix drawn. The nut is cut in half to show how the threads are drawn with respect to the screw.
Keywordsnuts, thread, nut, screw, screws, drafting, threads, mechanical drawing, screw threads, Drawing Square Thread Screw and Nut, Square Thread Screw and Nut
Anthony, Gardner C. Elements of Mechanical Drawing (Boston, MA: D. C. Heath & Co., 1904)