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.
A self tapping screw can be referred to as simply a tapping screw.
However it is also often called a sheet metal screw because they are primarily used in sheet metal.
A self drilling screw has a chisel tip similar to a drill bit.
Let it turn until it goes all the way through as the threads and the sharp point make their own hole.
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.
This allows you to skip pre drilling a hole into thinner gauges of sheet metal.
It s helpful to use self tapping screws for products that you need to maintain regularly such as air conditioning units or canopies where you need to dissemble and reassemble the item along the same threads.
Either it is on metal or wood.
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.
You need to use screw in any project.
Stabilize the screw so it doesn t tilt as it goes in and twist the screw into the metal.
Each one has its own uses and features.
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.