A type of screw used either with a nut or with a tapped hole; it has a slotted head which can be driven by a screwdriver.

A screw which has a straight shank and an enlarged head providing a shoulder for bearing. A slot in the head affords the means for turning with a screwdriver.

a small fastener used in the same manner as bolt or a cap screw

Indented head, male fastener with threads that fit in a machine threaded part or a nut for assembly purposes. They can have either Phillips heads or slotted heads.

Screw that serves either as a small bolt, with a nut, or is used with a tapped hole.

(n) A mechanical fastening device with a slotted head on one end and threads on the other. The threaded end can screw into either a mating part or a nut. A machine screw is similar to a slotted head cap screw but is normally smaller.