stud driver

stud driver

[′stəd ‚drī·vər]
(mechanical engineering)
A device, such as an impact wrench, for driving a hardened steel nail (stud) into concrete or other hard materials.

stud driver

A device for driving a hardened steel nail (a stud) into concrete or other hard material; the driver, containing a stud, is held against the concrete; then a blow on the head of the driver forces the stud into the concrete.