Screws are like bolts in that they have a head on one end and a thread on the other. The key difference is that screws
are usually used to screw into an internally threaded hole. There are many different types of screws, such as Cap
Screws, Machine Screws, and Woodscrews.
A wood screw is a fastener designed specifically for securing wood pieces together. It has a tapered shaft with threads that grip the wood, and a pointed tip for easy insertion. Wood screws are commonly used in carpentry and furniture making.
Machine screws are small, threaded fasteners used to join metal parts or components. They are typically inserted into pre-threaded holes and are tightened with a screwdriver or wrench. Machine screws are commonly used in machinery, electronics, and automotive applications.
Self-tapping screws are screws that can create their own threads as they are driven into a material, eliminating the need for pre-drilled holes. They are commonly used in metal, plastic, or wood for secure fastening.
Self-drilling screws are screws with a built-in drill bit at the tip, allowing them to drill their own hole and create threads as they are driven into materials like metal or wood, without needing a pre-drilled hole.
Stud screws are long screws with threaded ends, designed to be inserted into a material and used as an anchor point for other fasteners, such as nuts or bolts. They are commonly used in applications where a permanent, strong attachment is needed, like in construction or machinery.
Drywall screws are specialized screws designed for fastening drywall to studs or framing. They have a coarse thread for easy grip in drywall and a sharp tip for quick insertion, often with a bugle-shaped head to prevent damaging the surface.
Lag screws, also known as lag bolts, are heavy-duty screws with a thick, threaded shaft and a hexagonal head. They are used for fastening large, heavy materials like wood or metal, often requiring a wrench for tightening.
