Screw thread profiles can be modified from the standard V profile for better performance under different loads. ... (for internal threads) or a die (for external threads). ...

What I found works best is exactly this. Depending on the printer tolerance make a hole between 0.05mm – 0.2mm smaller than the diameter of the screw and self tap with machine screws.

Tap nomenclature — Screw threads have many dimensions. It is important in modern manufacturing to have a working knowledge of screw thread terminology. A "right-hand thread" is a screw thread that ...

Screw Box for Wooden Threads. Season 27 Episode 4 | 26m 46s Video has Closed Captions | CC. Down and dirty metalworking forges the cutters to make wooden screws. 09/21/2007 | Rating NR ...

The thread-forming screw displaced material around the pilot hole so that it flows around the screw’s threads. These screws generally are used when large stresses are needed to increase ...

Alternatively, if you want a screw that will penetrate materials quickly and cleanly, one with QuickCutter threads will serve you well. This is a brand-specific type of thread, Quickscrews to be ...