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McConkie Bolts\Nuts

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Struckie

Petroleum
Aug 4, 2009
2
About 4 years ago a sample of a non return nut was being passed around in work and if memory serves me right it was called a McConkie nut. It could only be installed once and no amount of effort could make it rotate in an anti-clockwise direction. The nut was complex and had a series of rollers inside, however, I cannot seem to locate them on google now... Has anyone else come across these nuts or used them in anger - if so where can they be procured?

thanks
 
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