Pawl. A tongue that engages with a ratchet.
Pene (pēn) or pane. The lightest end of a hammer.
Pening (pēn′ing). The hammering of the surface of metal in order to stretch it and alter the shape of the piece.
Pillow-block, pillar-block or plumber-block. A piece that affords a bearing for a shaft and is bolted to a pillar or frame.
Pin-block. A wooden block used to steady small pins when filed in the vise.
Pinion. The smallest wheel in a pair of wheels or in a train of gearing.
Pin-wrench. A wrench having a pin to enter holes in the nut.
Pipe-cutter. A hand tool for cutting pipe into lengths.
Pipe-die. A tool for cutting threads on pipes.
Pipe-tongs. A hand tool for gripping pipes.