3
A hand tool for tightening or loosening a screw.
5
A thin piece of metal used to restrain or hold two or more parts.
7
Tool to tighten or loosen nuts.
9
Instrument mainly used by recorders to record or stone metals consisting of a thin and sharp prismatic bar steel
10
A block, usually of metal, made with a threaded hole so that it can be screwed down on a bolt to hold together objects through which the bolt passes.
11
A tool for cutting, usually a thin blade of metal with sharp teeth.
