Bolts are _______ fasteners.
A. locking fasteners
B. threaded fasteners
C. frictional fastener
D. none of the mentioned
Answer:A
Bolts are _______ fasteners.
A. locking fasteners B. threaded fasteners C. frictional fastener D. none of the mentioned
Explanation: Bolts are threaded fasteners as they have threading on them.