Answer is:
Shoulder bolt
Explanation:
A bolt that is used to create a pivot point is called Shoulder bolt
Answer is:
Hangar bolt
Explanation:
A bolt that has wood thread on one end and machine thread on the other end is called Hangar bolt
Answer is:
Hexagonal
Explanation:
The most common shape of nut is Hexagonal
Answer is:
It is unable to prevent relative motion between two rotating parts
Answer is:
grub screw
Explanation:
A small headless screw having a slot cut for a screw driver is called grub screw