102.4
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A 1/ 4 - 28 × 3 1/ 2 machine screw has a shaft diameter of ___.
.25
Which of these screws is considered to have fine (versus coarse) threads?
10 - 32
A 1/ 4 - 28 × 3 1/ 2 machine screw has ___ threads per inch.
28
An 8-32 × 3 machine screw has a length of ___.
3 inches
Which of the following are wire connectors?
I, II & III
Generally, when a nut and bolt fastener system is to be tightened, a stationary backup wrench is placed on the bolt head, and the nut is turned to tighten the assembly.
true
