m12 nut size in mm
Screws come in various types, each designed for specific applications based on their unique features. Common screw types include wood screws, machine screws, self-tapping screws, drywall screws, and concrete screws. Wood screws are designed for use in wood and feature coarse threads. Machine screws are used with nuts or tapped holes and are available in a wide range of sizes and materials. Self-tapping screws have a unique design that allows them to create their own threads as they are driven into materials such as metal or plastic. Drywall screws have fine threads and are designed for use in drywall and gypsum board. Concrete screws, also known as masonry screws, are specifically designed for fastening materials to concrete, brick, or block.