HoggyN Posted May 26, 2015 Share Posted May 26, 2015 Can anybody tell me what thread is used on Series One door tops to attach them to the door bottom. It appears to be a 7/16" fine thread of some sort. I've tried UNF and Whitworth is too coarse. 7/16" BSF? TIA Quote Link to comment Share on other sites More sharing options...
steve b Posted May 26, 2015 Share Posted May 26, 2015 Yep , 7/16" BSF thread , UNF on the series 3 , is it the one in your avatar pic? ...I think it warrants a couple of pic's cheers Steveb Quote Link to comment Share on other sites More sharing options...
secondjeremy Posted May 26, 2015 Share Posted May 26, 2015 7/16 BSF nuts are used somewhere on later vehicles - and are readily obtainable form Britpart (seem fine) and others. I think the early U bolts are 7/16 BSF - but they tend to be nylocks. Quote Link to comment Share on other sites More sharing options...
Anderzander Posted May 26, 2015 Share Posted May 26, 2015 On my 80" the vast majority of the fasteners are BSF. Quote Link to comment Share on other sites More sharing options...
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