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Tool for recessing screw head on steel trunking cover

houstonceng

Hi all.  I’m installing some steel trunking and need to create the recess/ dimple/ sewage in the covers to fit the turnbuckle screws.   I know there is a tool to do this, but cannot find one when searching t’internet.  It’s similar to a screwed hole punch in that the bolt goes through the 10mm hole and you wind it in so that the domed male side pushes the cover material into the female die to create the recess.  Does anyone know the correct name for the tool, or who makes it, or where I can buy one?

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  • 0

    This might be a silly question but do you need to actually match the turnbuckles or would another type work?

    I’ve had to fit extra turnbuckles to some legrande trunking recently and it was just a case of drilling the right size hole in the right place and clipping it in. I’ve used them on another make of trunking too and seemed to work fine on that as well. 

  • 0 in reply to Sparkymark

    Legrand trunking uses those spring loaded click in fixings.  Two in every position.  Nice but expensive.  I’m using Unitrunking as I can obtain it at a good discount and the turnbuckles are cheap.  I suppose I could tweek the bar on the turnbuckle so I don’t need the dimple, but it would be good to have them all looking like the originals.  A matter of professional pride really.

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  • 0 in reply to Sparkymark

    Legrand trunking uses those spring loaded click in fixings.  Two in every position.  Nice but expensive.  I’m using Unitrunking as I can obtain it at a good discount and the turnbuckles are cheap.  I suppose I could tweek the bar on the turnbuckle so I don’t need the dimple, but it would be good to have them all looking like the originals.  A matter of professional pride really.

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