A screwdriver bit is a detachable tip or toolhead used to drive screws, typically with a hand-operated screwdriver, drill, or impact driver. Interchangeable bits allow a single tool to work with many
A selection of common screwdriver bits, including Phillips, Pozidriv, Torx, slotted, and hex drive types.
Phillips bit (left) in bit holder (center) with magnetic 1/4-inch bit shank (right).
A drill bit is a cutting tool used with a drill to remove material and create holes, typically with a circular cross-section. Drill bits are available in various sizes and shapes, designed to produce
Screwdriver bit
…ASME B107.4 additional hex shank sizes, dimensions in millimeters Drill bit Impact driver…
From top: Spade, brad point, masonry, and twist drills bits
Titanium nitride coated twist bit
Diamond-coated 2 mm bits, used for drilling materials such as glass