Gypsum screw
This screw is a type of building material made of gipss and minerals.
In addition to ordinary nails in carpentry, there are also types of thread nails that are often used in wooden constructions called screws.
Wood screws are usually made of metal that has spiral threads and pointed edges. The head shape of the screw is generally round, flat, and arises depending on its use.
This screw is commonly used to secure dry walls for members of wood or metal framing designed to minimize dimpling on the wall.
Gypsum screws have a deeper thread than ordinary screws to prevent gypsum material from being released easily. This screw is made of steel and to install it requires an electric screwdriver to drill.
Its main use is as a fastener to hold two objects together. This product is widely used in the gypsum industry.