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anyone identify these please

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kevin beevers	05/08/2016 16:11:16
69 forum posts 43 photos	while having a cleanup found these album under ? cant get picks up Edited By JasonB on 05/08/2016 16:15:38
KWIL	05/08/2016 16:15:20
3681 forum posts 70 photos	So they are 3BA square nuts then?.
Clive Hartland	05/08/2016 17:33:24
2929 forum posts 41 photos	Look like the nuts and bolts for erecting my Greenhouse.
john carruthers	05/08/2016 18:00:41
617 forum posts 180 photos	about to say the same Clive. We used them on lightweight rooflight glazing bars, slid down the backs then bolted to the purlins.
MW	05/08/2016 18:16:23
2052 forum posts 56 photos	Posted by john carruthers on 05/08/2016 18:00:41: about to say the same Clive. We used them on lightweight rooflight glazing bars, slid down the backs then bolted to the purlins. Sounds like a pretty good greenhouse if its been make with solid wooden purlins, own build? Michael W
Ian P	05/08/2016 20:11:22
2747 forum posts 123 photos	Posted by Michael Walters on 05/08/2016 18:16:23: Posted by john carruthers on 05/08/2016 18:00:41: about to say the same Clive. We used them on lightweight rooflight glazing bars, slid down the backs then bolted to the purlins. Sounds like a pretty good greenhouse if its been make with solid wooden purlins, own build? Michael W All the greenhouse fixings I have used were either M6 threads or 1/4" Whitworth, also usually made from aluminium. If these are 3BA I would guess that they are specially made but its anyone's guess what they are for. Michael, who said the purlins were wood? Ian P
Bazyle	05/08/2016 21:21:50
6956 forum posts 229 photos	3BA are often electrical fittings.

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