Home » Test Prep » ASVAB Section 4: Automotive and Shop Information » Which type of wrench is used to turn screw or bolt heads designed with a hexagonal socket (recess) to receive the wrench?
Which type of wrench is used to turn screw or bolt heads designed with a hexagonal socket (recess) to receive the wrench?
A. Bristol wrench
B. Allen wrench
C. Box-end wrench
D. Combination wrench
Correct Answer: B
Explanation/Reference:
The Allen wrench is used to turn screws or bolts with a recessed hexagonal socket.
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