Mitre-cutting machine. A machine for cutting mitre joints.

Mitre-joint. A joint at an angle of 45 degrees to the plane of the pieces it joins.

Mitre-wheel. A bevel gear having its teeth at an angle of 45 degrees to its shaft.

Mortise. A recess slot usually square or rectangular, and employed to receive a tenon from another piece.

Moulding-cutters. The cutters employed to produce mouldings on wood.

Multiple-drilling machine. A drilling-machine in which more than one drilling-tool may be used, and separate and successive operations may be performed upon the work, carrying it from one drill-spindle to another.

Mute-pulley. A belt-guiding pulley that can be adjusted to various positions upon its stand.

N

Nail-bit. A boring tool for wood, used for cutting across the grain of wood.

Nut. A threaded piece for receiving a screw.