pilot nut
Noun
Meaning
pilot nut (plural pilot nuts)
(bridge building) A conical nut applied temporarily to the threaded end of a pin, to protect the thread and guide the pin when it is driven into a hole.
Noun
pilot nut (plural pilot nuts)
(bridge building) A conical nut applied temporarily to the threaded end of a pin, to protect the thread and guide the pin when it is driven into a hole.