machine screws
Small threaded bolts
Machine screws are threaded fasteners designed to be driven into tapped holes or secured with nuts, distinguished from wood screws by their uniform threading along the entire shaft.
They have flat or rounded heads with slots or cross-shaped recesses for screwdrivers: The cover plate is held on by four machine screws.
Common in assembling metal parts and machinery.
- threadedPassed through an opening
- coarse threadThick strand for sewing
- fine threadThin strand for needlework
- tightenMake more secure
- boltThreaded rod for nuts
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