Torx Bit Sizes Explained

It includes the screwdriver plus 12 security torx bits.

Torx bit sizes explained. Wiha pop up top security torx multi bit screwdriver. Torx pronounced t r k s developed in 1967 by camcar textron is a trademarked type of screw drive characterized by a 6 point star shaped pattern. Chrome finish ball end hex l keys. A torx bit is used to insert and remove torx head screws.

Torx bits and screwdrivers are essentials things you should have particularly when you are involved in different projects. These different sizes are measured in t sizes. Torx is a type of screw head manufactured with a star shaped end. It designs to have six points splines each having individual sizes.

Color coded ball end hex l keys. Driver sizes for torx recesses begin with a t. The same system of sizes is used for both metric and inch fasteners. Because screws do not come with the head size written on them users must determine what size the screw is in order to select the right size torx bit for the job.

To match drivers to fastener sizes see the table below under torx plus. This six pointed style commonly known as a star bit is also referred to as hexalobular. The handle has a comfortable wiha softfinish grip for easy use. Torx also features sockets and nut drivers used with external head bolts.

Torx sizing information tables. Ergostar ball end hex l key sets. It also includes a standard torx t5 and t6. Torx screws and drive bits are available in 24 sizes labeled t1 through t100 and measure between 0031 and 0871 inches from one point to another.

A popular generic name for the drive is star as in star screwdriver or star bitsthe official generic name standardized by the international organization for standardization as iso 10664 is hexalobular internal.