A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called
A. castle nut
B. jam nut
C. ring nut
D. sawn nut
Answer:C
A locking device in which the bottom cylindrical portion is recessed to receive the tip of the locking set screw, is called
A. castle nut B. jam nut C. ring nut D. sawn nut