When it comes to screws, there are countless different types available, each with its own unique features and uses. From wood screws to machine screws to self-tapping screws, the options can be overwhelming. In this article, we will explore the different types of screws and their uses so that you can make informed decisions when it comes to selecting the right screw for your project.

  1. Wood Screws

Wood screws are specifically designed for use in wood. They have a sharp point that helps to start the screw into the wood, and a tapered shank that allows the screw to pull the two pieces of wood together tightly. Wood screws are available in various lengths and sizes, with the most common being #8 and #10. They can be used for a variety of applications, such as building furniture, decks, and other wooden structures.

  1. Machine Screws

Machine screws are designed for use with machinery and other metal surfaces. They have a cylindrical shape and a threaded shaft that allows them to be screwed into a tapped hole or used with a nut. Machine screws are available in various sizes, with the most common being #4, #6, and #8. They can be used for a variety of applications, such as attaching handles to appliances, securing electronic components, and fastening metal parts.

  1. Self-Tapping Screws

Self-tapping screws are designed to create their own threads as they are screwed into a surface. They have a sharp point that helps to start the screw into the surface, and a tapered shank that allows the screw to pull the two pieces together tightly. Self-tapping screws are available in various sizes, with the most common being #8 and #10. They can be used for a variety of applications, such as attaching metal sheets to wood or metal surfaces, securing metal parts, and fastening plastic parts.

  1. Sheet Metal Screws

Sheet metal screws are designed for use with thin sheet metal surfaces. They have a sharp point that helps to start the screw into the surface, and a tapered shank that allows the screw to pull the two pieces together tightly. Sheet metal screws are available in various sizes, with the most common being #6 and #8. They can be used for a variety of applications, such as attaching sheet metal to wood or metal surfaces, securing metal parts, and fastening plastic parts.

  1. Lag Screws/ Coach Screws

Lag screws are designed for heavy-duty applications, such as securing large wooden structures, such as decks and fences. They have a large head and a thick, threaded shaft that allows them to be screwed into a tapped hole or used with a nut. Lag screws are available in various sizes, with the most common being 1/4" and 3/8". They can be used for a variety of applications, such as attaching large wooden structures, securing metal parts, and fastening plastic parts.

In conclusion, there are many different types of screws available, each with its own unique features and uses. When selecting a screw for your project, it is important to consider the material of the surfaces you will be attaching, the strength and durability required, and the specific application. By understanding the different types of screws available, you can make informed decisions and ensure that your project is completed successfully.

Screw types