A T8 screwdriver is very easy to use and is used in exactly the same way as any other type of screwdriver. Whereas the tendency of Phillips drivers to cam out under excessive torque has been listed as a feature preventing damage to the screw-head or driver, [5] Torx heads were designed to prevent cam-out.

A security Torx L-key and fastener with holes for a safety pin to hinder disassembly with an ordinary Torx key. Torx screwdrivers have distinctive 6-point star shaped head which mate perfectly with appropriately sized screw heads. A version known as Security Torx, Tamper-Resistant Torx (often shortened to Torx TR) or pin-in Torx contains a post in the center of the head that prevents a standard Torx driver (or a straight screwdriver) from being inserted. T3 – T10 will be enough for most people, and then you can add additional size bits as and when you need them. Trying to get a security screw to budge with anything else could cause damage to the item, the screw, or even yourself.

The same series of Torx drivers is used to drive SAE, metric and other thread system fasteners, reducing the number of bit sizes required. When taking apart things which use these small screws, a magnetic mat is very helpful to stop them rolling all over the place.

Torx Paralobe is a further developed Torx Drive System with 6% longer Flanks which results in a 20% higher applicable torque. The magnitude of this force is proportional to the cotangent of the angle (depicted in orange) between the green circle and the contact plane.Torx screws are commonly found on automobiles, motorcycles, bicycle brake systems ( disc brakes), hard disk drives, computer systems and consumer electronics. You will generally find that the security drivers can be used to remove standard Torx screws too, but a spare is always a good idea. AW drive is a hexalobular-type screw head similar to Torx, with a tapered profile to aid in centering, developed by the Würth Group in Germany.

However, there’s a good reason why you shouldn’t just rush out to get the cheapest Torx T8 screwdriver possible. If this radial force component is too great for the material to withstand, it will cause the corners to be rounded off one or both components or will split the sides of the female part. As noted, it’s important to match the size of the Torx screw or bolt socket head with the correct size of Torx screwdriver.It’s vital that you get the right tool for the job, trying to use the wrong type of screwdriver can cause damage and even injury. If you have ever tried to take phones or other electronic devices apart then you have no doubt seen lots of these.