Which of the following prevents undue tightening of a screw gauge?
Stud
Ratchet
Screw
Index
The screw head is provided with a Ratchet arrangement (safety device) to prevent the user from exerting undue pressure.
The screw head is provided with a __ arrangement to prevent the user from exerting undue pressure.
State the purpose of ratchet in a screw gauge.