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Fasteners are the unsung heroes for thousands of years from the day humans started to have a roof over their heads and a floor beneath.
Records show that from 400 BCE, Archytas of Tarentum known rarely as the father of mechanics invented screws.
Then the water screws by Archimedes and Alexandria until, in 1568, Jacques Besson made the first screw manufacturing machine.
From the first industrial revolution to the current Industry 4.0, screws continue to change to the rapid technology inventions and others.
Many want to know which is better, and it is only the situation and their usage location that decides it.
The following is the functioning of the two to know their difference and superiority:Self-tapping screws do not require a tap because of their sharp cutting heads that can tap itself by threading during fasting.Self-drilling screws with their flute notch tip acting as a drill bit enable fast installation as the notch tip collects the wood or metal fillings.


