A small handwheel is then mounted and locked onto the right-hand end of the shaft.
handwheel in American English
(ˈhændˌhwil, -ˌwil)
noun
a wheel, as a valve wheel, turned by hand
Word origin
[1930–35; hand + wheel]This word is first recorded in the period 1930–35. Other words that entered Englishat around the same time include: acoustic phonetics, cloverleaf, logical positivism, preset, technical foul