Five most common North American screwdriver bit types

Slot or Flathead Phillips* Allen or Hex
Torx** Robertson or Square Recess***

*Most popular screw configuration in USA
**Popular in the automotive and appliance industry
***Most popular screw configuration in Canada.

While these are the five most common screwdriver bit configurations, the following profiles are examples of the additional 32 plus different profiles on the market today. Most of these are specialty and/or security screwdriver bits that are less common but still widely used in specific industries and countries around the world.

Tri-point Torx Security Pentalobe JIS****

****JIS (Japanese Industrial Standard) and Phillips (PH) may look similar but are not. Phillips screwdrivers cam-out if too much torque is applied. JIS screw heads have 90-degree corners and do not provide a cam out option.

SIZES

Typ