Whichever name is used these names are for screws that form mating threads tapping the threads in a pre drilled hole in the substrate into which they are driven.
How to use sheet metal self threading screws.
Stabilize the screw so it doesn t tilt as it goes in and twist the screw into the metal.
A self tapping screw can be referred to as simply a tapping screw.
A self drilling screw has a chisel tip similar to a drill bit.
To use self tapping screws place the screw directly on the aluminum sheet.
These self tapping screws are designed to keep thin metal from denting.
To use self tapping screws place the screw directly on the aluminium sheet.
Self drilling or self tapping metal screws increase productivity by reducing the number of steps required to screw together pieces of metal.
Each one has its own uses and features.
Either it is on metal or wood.
However it is also often called a sheet metal screw because they are primarily used in sheet metal.
When using self tapping screws on aluminium choose a self tapping screw with a drill like point and sharp cutting blade threads that go down the whole length of the screw.
This allows you to skip pre drilling a hole into thinner gauges of sheet metal.
Self tapping screws drill their own little tunnels by cutting precise threads when they are screwed into wood plastic or metal.
Based on uses and feature there are five types of screws.
You need to use screw in any project.