drivescrew

drivescrew

[′drīv‚skrü]
(design engineering)
A screw that is driven all the way in, or nearly all the way in, with a hammer.

drivescrew, screw nail

A type of metal fastener; a helically threaded nail, driven with a hammer; has a higher withdrawal resistance than a nail with a plain shank; some types may be removed with a screwdriver.
References in periodicals archive ?
Thrust output (in pounds) is given by the expression: F=2[pi]peNT, where p = drivescrew pitch (rev/in); e = drivetrain efficiency; N = reducer ratio; and T = input torque (lb-in).