Machine Design
Plastic flow in ductile materials

Has no effect on it
Increases the seriousness of static loading stress concentration
Lessens the seriousness of static loading stress concentration
Depends on other considerations

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Machine Design
Set screws are

Similar to small size tap bolts except that a greater variety of shapes of heads are available
Used to prevent relative motion between parts
Slotted for a screw driver and generally used with a nut
Similar to stud

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