bolt1 |
a strong metal fastening rod with a shaped head at one end and a blunt threaded screw at the other, used with a matching threaded nut. [1/14 definitions] |
clamp |
an apparatus consisting of two movable opposing surfaces, often connected by a large screw or screws and used to hold two or more objects together. [1/4 definitions] |
clincher |
a nail or screw used for clinching. [1/3 definitions] |
countersink |
to enlarge the top portion of (a hole) so that the inserted head of a bolt, screw, or the like does not protrude above the surface. [2/4 definitions] |
jackscrew |
a jack in which the lifting surface is threaded on and operated by a vertical screw. |
lag bolt |
see "lag screw." |
lag screw |
a heavy wood screw with a hexagonal or square bolt head that is turned by a wrench. |
micrometer caliper |
a precision caliper with a spindle that is moved by a micrometer screw, used for measuring minute distances with extreme accuracy. |
micrometer screw |
a very finely threaded screw that is used in micrometers to give extremely fine measurements, esp. of thickness. |
monkey wrench |
a wrench with one movable jaw that can be adjusted with a screw to fit nuts of various sizes. |
right-handed |
made to turn or spiral clockwise, from left to right, as a screw. [1/5 definitions] |
screw |
a device consisting of rotary blades oriented so that they pull or drive something by transferring helical force as they rotate; screw propeller. [4/17 definitions] |
screwdriver |
a tool for turning a screw, consisting of a shank that fits the head of the screw and a handle or mechanism for turning the shank. [1/2 definitions] |
screw eye |
a screw with a loop or eyelet for a head. |
screw hook |
a screw with an elongated head in the shape of a hook. |
screw thread |
the continuous helical ridge or groove on the outer surface of a screw or the inner surface of a nut. |
setscrew |
an often headless screw that holds one piece firmly against another. [2 definitions] |
simple machine |
a basic mechanical device, such as a lever, pulley, wedge, screw, or inclined plane, that is designed to apply force or power in order to perform a task. |
squinch2 |
to screw up or contort (the face, nose, or the like). [1/4 definitions] |
tap2 |
a tool for cutting a screw thread inside a cylindrical opening. [2/9 definitions] |
thread |
the helical or spiral ridge on a screw or screwing device. [1/12 definitions] |