The jaws are closed and opened by inserting a special wrench called a ____ into a socket on the chuck.
A) chuck mandrel
B) chuck tool
C) chuck key
D) chuck collet

Question

Quizplus · Accepted Answer

The special wrench used to open and close the jaws of a chuck is called a chuck key. This is inserted into a socket on the chuck to turn it and adjust the jaws to hold different tools or workpieces. The other options (A, B, and D) are not correct as they do not refer to the specific tool used to adjust the chuck jaws.

The Jaws Are Closed and Opened by Inserting a Special