screw drive
set of shaped cavities and protrusions on the screw head and on the tip of the screwdriver that allows torque to be transmitted
triple-square screw drive
screw drive with 12 equally spaced protrusions, each ending in a 90° internal angle
slotted screw drive
screw drive consisting of a single slot
Bristol screw drive
type of screw drive
Robertson drive
square-shaped screw drive
spanner screw drive
screw drive using two separate round holes
cruciform screw drive
any generally cross-shaped screw drive
Phillips screw drive
common subclass of cruciform screw drive
tri-wing drive
screw drive with three slotted "wings" and a small triangular hole in the center
hex drive
screw drive in the shape of a regular hexagon