Bolt

• bolt

  A screw that screws into a nut to form a fastener.

• head

  A projection out from one end; "the head of the nail", "a pinhead is the head of a pin".

Also contains

• woodscrew

  A metal screw that tapers to a point so that it can be driven into wood with a screwd...

• cap screw

  A threaded screw for machine parts; screws into a tapped hole.

• machine screw

  A screw used either with a nut or with a tapped hole; slotted head can be driven by...

• thumbscrew

  Screw designed to be turned with the thumb and fingers.

• Phillips screw

  A screw with a special head having crossed slots.

• Allen screw

  A screw with a hexagonal hole in the head.

• screw thread

  The raised helical rib going around a screw.

• worm

  Screw thread on a gear with the teeth of a worm wheel or rack.

• setscrew

  A screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and...

• metal screw

  Screw made of metal.

• setscrew

  A screw that is used to adjust the tension on a spring.