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B.S. 951 Bonding Clamp.

Zoomup
Good morning,

                           I have often wondered at just what is the purpose of the locking nut on the main fixing screw on a B.S. 951 bonding clamp. On static non vibrating pipes I can hardly imagine the screw becoming loose. So, is the locking nut superfluous? Or is it perhaps to allow correct orientation of the razor blade sharp warning label?


Z.

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    I can not agree that the main fixing screw has any rotational forces acting upon it sufficient to loosen it when correctly installed. Friction will keep it well and truly in place. Just consider wheel bolts or nuts on a car wheel. The bolts on my vehicle have to tolerate great temperature changes and vibration. They do not come loose, even without locking nuts.


    Z.
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  • 0
    I can not agree that the main fixing screw has any rotational forces acting upon it sufficient to loosen it when correctly installed. Friction will keep it well and truly in place. Just consider wheel bolts or nuts on a car wheel. The bolts on my vehicle have to tolerate great temperature changes and vibration. They do not come loose, even without locking nuts.


    Z.
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