#8 Wood Screw Diameter
Learn about the common wood screw sizes, types, and uses. Find the thread diameter of #8 screws and other sizes in the printable chart. Find the right size wood screw and type of screw for your application with this guide.
See the dimensions, lengths, and colors of #8 wood screws and other common sizes. Find the nominal size, head diameter, head height, slot width, slot depth and recess dimension of wood screws in slotted, Phillips and round head styles. See the ASME B18.6.1 standards and click on the size to search products.
A #8 screw has a shank diameter of 0.164 inches (4.2mm), while a #10 screw is 0.190 inches (4.8mm). The most common gauge for general woodworking is #8, which offers a good balance of strength and holding power without being overly large. In the metric system, this is equivalent to 4mm.
In the imperial system, the larger the number, the larger the diameter. A #8 screw is 5/32 of an inch or 0.16 inches in thread diameter. This is one of the most common screw sizes for putting together a wide range of wooden objects.
Choose from our selection of no. 8 wood screws, including steel Phillips flat head screws, Phillips decorative rounded head screws, and more. Same and Next Day Delivery.
