Technician A says that most threaded SAE and Metric fasteners such as bolts are inter-changeable with each other. Technician B says a thread pitch gauge will tell the diameter of a bolt. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both Technician A and Technician B are incorrect. SAE and metric threaded fasteners are not interchangeable because they have different thread pitches and diameters. A thread pitch gauge can tell the thread pitch of a bolt, but not necessarily the diameter. To determine the diameter of a bolt, a caliper or micrometer should be used.

Technician a Says That Most Threaded SAE and Metric Fasteners