Wood screw
It is one of the types of semi-threaded screws widely used in connecting wooden objects, which is available in yellow or silver colors. The cover of this type of screws is zinc or stainless steel.
Car screw
It is a screw with zinc coating and yellow or bluish silver process with a flat tip that has a full thread along the shank. Zinc coated screws are mostly used in electronic industries.
The tip of the tip
Pointed screw is also a type of screw similar to a machine screw, it has a cut in the head. This type of screw is used where high torque is needed to tighten the screw.

Metal screw
which is used to connect metals, metal sheets and in some cases plastic and fiberglass. Metal screw is very suitable for connecting metal to wood due to having small threads with short screw distances. Metal screws with two-sided, four-sided, washered heads are available in the market.
The drill tip screw
opens its way while drilling. The drill tip screw is made of steel and some brands have zinc coating. The head of this type of screw is hexagonal and sometimes they are used in the washer model.
Six -ear screw
This screw is the most widely used of all screws. A wrench or a French wrench is used to open and close the hexagon screw. This screw is used both in the form of full thread and in the form of half thread. In some models of this screw, dry, steel and galvanized coating is not used.

