Screw Size Chart

Screws comes in a variety of sizes, with the most common being determined by their diameter, thread pitch, and length. The diameter of a screw is typically measured in millimeters or inches, and refers to the thickness of the screw’s shaft. The thread pitch refers to the distance between the threads on the screw, and is usually measured in threads per inch or millimeter. The length of the screw is typically measured in millimeters or inches, and refers to the distance from the top of the head to the end of the shaft.Some common sizes of fastener screws include: