![]() The countersunk head allows for flush installation into the material for a clean, finished appearance. Countersunk Screw HeadsĬountersunk screw heads feature an angular shape under the head of the screw. The large variety of screw heads are categorized as countersunk screws or non countersunk screws. Having so many options available is perfect for being able to find a screw that is going to fit your specific application. The slotted screw and Phillips head are typically the most universally used in the United States. With there being disadvantages to this screw head, manufacturers set out to create screws with heads that have better functionality for a wider range of applications and industries. ![]() Although it is commonly used, the screw head can be easily damaged and the blade of the screwdriver can easily slip out of the slotted head. This screw is used with a flathead screwdriver. The oldest and one of the most common screw heads is slotted. To help you better understand what screws are the perfect fit for your next job, Fasteners Plus is here to give a clear explanation of the screw heads and drive types available. ![]() Each screw head and drive style is unique and recommended for different applications. See Monroe’s Screws.When starting a new construction project, choosing the type of screw to use is essential. Some companies use them in the United States as well, but they are predominantly used in Canada. With that said, Robertson screws are most commonly used in Canada. It’s slightly tapered, allowing for easy installation. The downside to using double hex screws, however, is that their heads are more susceptible to slippage, as well as damage, than those other types of screws with different drive systems.Īlso known as Scrulox, the Robertson drive is characterized by square-shaped ridges on the head. With twice the ridges, they allow for greater torque during installation. Basically, double hex screws feature two pairs of hexagonal ridges on the head. In addition to single hex, another common type of screw drive is double hex. ![]() Torx screws are often used during the production of computer components and other electronics. Thanks to its star-shaped head, it provides an exceptional amount of torque during installation. The Torx drive was created to increase torque. The head essentially has six ridges with rounded points. The hexalobular socket drive, or what’s more commonly known as the Torx drive, features star-shaped ridges on the head. They can be installed using a hex wrench, which like screwdrivers, is inserted into the screw’s head. Hex screws live up to their namesake by featuring hexagonal ridges on their head. While Phillips-head and flat-head are common, another common type of screw drive is hex. The two ridges, both of which run horizontally and on the same plane, allow for the insertion of a flat-head screwdriver. Flat-head screws are similar to Phillips-head screws, except they only have two ridges on the head rather than four. #2) Flat-HeadĪlso known as a slot drive, a flat-head screw lives up to its namesake by supporting the use of a flat-head screwdriver. Phillips-head screws feature a cross-shaped pattern on the head in which the screwdriver is inserted. Thompson, it offers a high level of torque to achieve quick and easy installation. So, what are the most common types of screw drives?Īrguably, the most common type of screw drive is Phillips head. Upon placing a compatible screwdriver into the screw’s head and turning it, the screw will dig into the workpiece. The drive system of a screw generally consists of ridges in the screw’s head. To install a screw into a workpiece, you must force it into the workpiece using its drive system. Screws require the use of a drive system for installation.
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