Screwdriver bits are typically made up of a shaft and a tip. A screwdriver bit's shaft is typically hexagonal in shape, with six flat sides. This shaft is fitted into the end of a screwdriver that has a bit holder. The shaft's shape prevents the bit from rotating within the bit holder. The tip end of a screwdriver bit may have many shapes.The bit's head is designed to fit into the head of a screw. As the screwdriver is spun, the bit rotates as well. This is what causes the screw to turn.

Although they used to be the most frequent kind of screw available, slotted head screws are no longer particularly common. However, screwdriver tips are still produced for them, and the size of the screw they turn determines their gauge. However, because

• SKU Magna 6mm x 25mm Extra Hard 1/4" Hex Slotted Bit