A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or, more usually the screw; the latter as the internal, or female screw, or, more usually, the nut.
Specifically, a kind of nail with a spiral thread and a head with a nick to receive the end of the screw-driver. Screws are much used to hold together pieces of wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below.
A straight line in space with which a definite linear magnitude termed the pitch is associated (cf. 5th Pitch, 10 (b)). It is used to express the displacement of a rigid body, which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis.
To turn, as a screw; to apply a screw to; to press, fasten, or make firm, by means of a screw or screws; as, to screw a lock on a door; to screw a press.
A headed threaded fastener that is designed to be used in conjunction with a pre formed internal thread or alternatively forming its own thread. Historically, it was a threaded fastener with the thread running up to the head of the fastener that has no plain shank. However this definition has largely been superseded to avoid confusion over the difference between a bolt and a screw.
a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole
a fastener with a tapered threaded shank and a slotted head
tighten or fasten by means of screwing motions; "Screw the bottle cap on"
a cylinder with an inclined plane wrapped around it
a form of inclined plane in which the plane is wrapped around an axis, or pole
a headed and threaded bolt used without a nut
a inclined plain wrapped around a cylinder post
an inclined plane that spirals around a pole
an inclined plane that winds around itself
an inclined plane wrapped around a cylinder to form a spiral
an inclined plane wrapped around a rod
a shaft with a helical groove old wooden head or thread formed on
a specialized application of the wedge or inclined plane
a special kind of inclined plane
a threaded metal fastener that has a slotted head
a type of threaded fastener, a device used to hold objects together
a type of threaded fastener for holding things together
a variation of an inclined plane (or a wedge) in which the incline
a wedge or inclined plane that is wrapped around a rod
a wheel put together with an inclined plane - which is a fancy name for a hill
Screws are inclined planes that are wrapped around a shaft. Example: ramp, staircase
There are lots of them in your slot car. Allen screws in the wheels, gears, motors, frame, etc. In the 60's standard slotted screws were used in abundance, but after millions were dropped on the floor, someone came up with the idea to use allen head screws instead.
An externally threaded fastener which does not require a nut to secure the fastened joint.
Round base with a forged head, the shank being threaded to its full length.
Fastener which has a flared, slotted head with a raised spiral ridge running down the shank. A screwdriver fits into the screw head to insert or remove the screw. Alternately, Phillips head screws have a crisscross slot in the head rather than the slot.
A screw is one of the six simple machines. A simple screw is a helical inclined plane. A screw can convert a rotational force (torque) to a linear force and vice versa.
