Fleam. Acuteness given to saw teeth by filing their front faces at an acute angle to the plane of the saw blade.
Flexible shaft. A shaft composed of wire, similar to a wire rope, for transmitting rotary motion, notwithstanding that the shaft may be an arc of a circle.
Flooring-machine. A machine for planing and matching at the same time, and generally used for floor boards.
Flute. A groove.
Fly-cutter. A cutting tool fastened in an arbor or spindle, and used for producing irregular shapes.
Follower. A gear wheel that receives motion from another gear wheel.
Follower-rest. A rest that steadies work on the lathe and travels with the slide rest.
Foot-block. A work-holding device containing a dead centre, used upon a milling machine.
Foot-lathe. A lathe operated by foot-power.
Fore-plane or jack-plane. A roughing out plane.