File. A hand tool for cutting metal, wood, ivory, bone and all other hard substances except stone.

File-card. A wire-brush for cleaning files.

Fillet. A curved piece for filling in a corner.

Fillister-head. A screw-head that is cylindrical and contains a screw slot.

Firmer-chisel. A stout carpenter’s chisel that is used for cutting out mortises and similar heavy work.

Fit-strip. A projection usually about an inch wide that is intended to be fitted to bed the piece properly and save bedding the whole surface of the piece.

Fixture. A device for holding work in an exact position, true with some one face, hole, or pin, as the case may be.

Flat-chisel. A wedge-shaped machinist’s chisel.

Flat-drill. A drill whose body is rectangular in cross-section.

Flatter. A swage for flat surfaces.