There are many surface treatments for wood screws, electro-galvanizing/zinc plating is the most widely used method, because zinc is easy to be plated and price is relatively cheap compared to other metal materials.

The main function of wood screws is to fasten a metal (or non-metallic) part with a through hole to a wooden component, so there is no high requirement for its material. Usually, the most common types of wood screws are mainly two types.

Hexagon head wood screws also known as wood screws, which are similar to machine screws. But the threads on the screws are special threads for wood screws, which can be directly screwed into wooden components (or parts), used to screw a metal (or non- metal) parts are fastened together with a wooden member. This connection is also detachable connection.