Torx Bit Sizes Explained

To match drivers to fastener sizes see the table below under torx plus.

Torx bit sizes explained. The dimensions below are measured on the driver bit from point to opposite point. The handle has a comfortable wiha softfinish grip for easy use. Chrome finish ball end hex l keys. The same system of sizes is used for both metric and inch fasteners.

Torx is a type of screw head manufactured with a star shaped end. This six pointed style commonly known as a star bit is also referred to as hexalobular. These security torx bit sizes are t7 t8 t9 t10 t15 t20 t25 t27 t30 and t40. It includes the screwdriver plus 12 security torx bits.

It also includes a standard torx t5 and t6. Before you can use them appropriately there are certain things you should know. 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. 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 torx bit is used to insert and remove torx head screws. Torx sizing information tables. Torx bits and screwdrivers are essentials things you should have particularly when you are involved in different projects. Driver sizes for torx recesses begin with a t.

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. These different sizes are measured in t sizes. Torx also features sockets and nut drivers used with external head bolts. 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.

Wiha pop up top security torx multi bit screwdriver.