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Hex head or some head bolts for trunking

Hi


Im currently nearing completion of a steel trunking job and was looking for some advice. The 3x3 steel trunking is fixed on top of unistrut running perpendicular to it at regular intervals. I used M10 zebedees and hex head bolts for this. I now wondered if I should have used dome head bolts instead for the same reason as M6 dome head bolts are used to bolt the trunking together - to protect the cable. Was just wondering what others use in this circumstance


Thanks
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  • is it actually going to vibrate and fret the insulation? - if it is part of some big machine, perhaps, but in a building, I'd not think so.
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  • is it actually going to vibrate and fret the insulation? - if it is part of some big machine, perhaps, but in a building, I'd not think so.
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