The angular geometry of the Torx Plus means that the fastening tool fits far more securely in the screw head.

Both the Torx and Torx Plus have a six-point profile design. The difference lies in the geometry: The Torx fastener has a hexalobular or star-headed design. The following is a Torx Bit Sizes Chart for Internal Torx. Two dimensions are important with respect to Torx screws. They are Point to Point and Diameter of the screw threads. Torx Size The drive systems used by various fasteners have a huge impact on productivity and product quality. For example, an inefficient drive system will increase assembly time and therefore eat into profitability. Examples include vehicles, motorcycles, computer systems, bicycles, consumer electronics, and hard disc drives. Tamper Proof Torx What is Tamper Proof Torx?

The Torx Plus drive system is another variation of the Torx. It is also known as External Plus. The lobes are more square than the original design. This design allowed for higher torque on the head. The Torx Plus also has five-lobed tamper-resistant variants. This design requires the right tools. Here, the traditional Torx fastener head has an additional recess in the center, perfectly matching a special pin. This pin holds the fastener in place without the need for a magnetic fastener bit, eliminating metal splinters that clog the tool drive. The Ttap also eliminates cam-out since the drive fits the head perfectly, and the geometry ensures that you don’t have to apply pressure to install the fastener. Using a Torx Bit Sizes Chart is a great way to know which size to buy for a specific fastener. 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. It can also help you choose between an external Torx and an inverted Torx. Torx Bit Sizes Chart

Torx and Torx Plus are similar fasteners, but Torx Plus optimizes the design of the original Torx. While both have a six-point connection with the drive head, the Torx fastener allows for a 15° drive angle, while the Torx Plus has a 0° drive angle. This increases the available torque and minimizes wear on the fastener and drive head. Torx bits are a specialized type of screwdriver bit designed to prevent slips. They’re a standard 1” length and have a flattened, six-pointed head. For this last reason, they’re generally known as star bits. Benefits The modified geometry improves durability and maximizes the torque available to the fastener. This increased torque allows the fastener to be fastened more securely without stripping the screw head. Sidewall DifferenceThe metric system is also the standard for airplanes and boats. To make the process of repairing vehicles easier, the SAE standardized the measuring system. It's also been adopted by major vehicle manufacturing hubs in other countries.

For example, if you have a screw with TX size, then you have to use a Torx Screwdriver or drive bit of TX size only.could happen on cheap fasteners. Motorcyclists have been using them for years, as the exterior of many bike have Phillip head fasteners, and one likes to keep them looking good. As both a motorcyclist and an avid classic car collector, these or the only tools I use on my machines for Phillip head fasteners. The Torx screwdriver was invented by Camcar Textron in 1967. It is considered one of the most efficient fastening systems. The design has six points and a center pin. This design allows for more torque and minimizes wear. Have you noticed that the effective cross-sectional size of Torx Plus is larger than the regular Torx profile? Compatibility The standard Torx driver bit or the key will work on the Torx Plus, but it’s not a perfect fit and can lead to wear or damage. Torx isn’t perfect, as they are a rather tight tolerance. It can be difficult to insert the driver if they collect gunk in an engine bay, for example. I’d take that over a Phillips fastener that would rather cam its driver out of the fastener than apply enough torque to break it loose. Brandan Gillogly