

Torx drivers are able to drive many thread systems, including metric fasteners, as well as SAE fasteners. These are used in certain circumstances, but they are not as common as the T10, T15, and T25. There are also specialized Torx sizes, including T47, T55, T60, and T65. The most common sizes of a Torx screw are T10, T15, and T25. The lobes on the screw allow for increased torque without causing much wear on the tool. This version is designed to provide better torque transfer than the original design. The Torx Plus, also known as the Internal Plus, is an improved version of the original design. This allows a tighter grip and minimizes the risk of slippage. The socket also has an open slot on both sides of the socket.
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The star pattern increases the torque of the driver and lowers the likelihood of stripping the bolt. While the head of the classic Torx features six points, the socket for the Inverted Torx has a star shape. The key differences between the two versions of a screw are in the head and the socket. Both types of screws have similar characteristics, but you'll want to use the type that best matches your needs. Having a good understanding of the difference between an External Torx and an Inverted Torx will ensure that you get the right bit for your project. They are Point to Point and Diameter of the screw threads.

Two dimensions are important with respect to Torx screws. The following is a Torx Bit Sizes Chart for Internal Torx. The size of the screwdriver or the drive bit must match with the size of the Torx screw.įor example, if you have a screw with TX size, then you have to use a Torx Screwdriver or drive bit of TX size only. They follow a special ‘T’ sizing for the internal Torx an ‘E’ sizing for the external Torx. Like all other fasteners, even Torx screws are available in different sizes. It can also help you choose between an external Torx and an inverted Torx. The chart can help you understand the difference between metric and SAE, and can also tell you what size is a good fit for the job at hand.

Using a Torx Bit Sizes Chart is a great way to know which size to buy for a specific fastener.
