tap bolt

noun

1. a bolt for driving into a tapped hole in metal and that can be held in place without a nut.

Word History and Origins

Origin of tap bolt¹

First recorded in 1860–65

Example Sentences

See Tap bolt, Screw bolt, and Stud bolt.

From Project Gutenberg

Furthermore a tap bolt may have a hexagon head, which is usually left unfinished unless ordered to be finished, as is also the case with set screws.

From Project Gutenberg

It is obvious therefore, that if a tap bolt be left black the hole it passes through must be sufficiently large to make full allowance for the want of truth in the bolt.

From Project Gutenberg

If we cannot use a through bolt we use a stud, and where a stud cannot be used we put in a tap bolt, and the reason why a tap bolt comes last is because it is part and parcel of the machine itself.

From Project Gutenberg

In a tap bolt where the wrench is applied to the bolt head, the rotation, under severe strain, of the head will usually cause it to break off in all cases where the bolt is rigidly held, so that it cannot cant over and allow the head to bed fair.

From Project Gutenberg