Thread characteristics in screw fastener

Q.  Threads used in screw fasteners are ______
- Published on 14 Sep 15

a. having high strength
b. having low efficiency
c. single start type
d. all of the above

ANSWER: all of the above

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    Discussion

  • Sravanthi   -Posted on 04 Nov 15
    - Screw fasteners have high strength and low efficiency.

    - Threaded joints or screw fasteners are convenient to assemble and disassemble.

    - They have high clamping and reliability.

    - The threads used in these screw fasteners are single start type.

    - These threads may be fine or coarse thread form. Fine threads have small pitch and the threads are closed enough while coarse threads have large pitch and the threads are further apart.

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