Series 3 AF socket set and spanners seems wrong, what should I bought?

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bultacobob

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I just getting round to a front end rebuild on my late series 3. So to save time I bought some swivel hubs that came with old bolts. So proudly wielding my shiny new Halfords pro sockets (AF) the swivel pin bolts seemed somewhat loose in them, in fact all the bolts were loose. So switching to an 18mm socket and all was good. So where I have I gone wrong? What should I be using to strip down the front hubs? I will it seem keep on going with the metric. All the new bolts from Craddocks are the same so I know it is not some sort of Metric swap.
PS I now have a shed load off AF spanners and sockets.
 
You can't have enough spanners and sockets! Just bought some whitworth sockets myself to rebuild the gearbox.......always wanted some now found an excuse to add em to the collection:D
 
Thanks for the input, I will get an old Royal Enfield to go with the socket set. Still a bit confused as to what I need to strip down the swivels to the axle and then back up. The sockets may have been sold as Imperial, which I thought was AF. The bolts aren't metric but seem to fit well in the 12 point sockets so will use them.
 
My 1970 S2A continues to throw curveballs when it comes to threads. Not only are there the random BSF and Whit but Lucas (bless them) seem to have mixed BA, UNF and metric on the same bits of kit. The starter drove me to distraction.
 
3/8" Whitworth or 7/16" BSF use a spanner which is equivalent to 18.03mm AF

Something else to rembmer with Whitworth spanners is that the size stamped on the spanner is the thread diameter, not the distance across the flats of the bolt head.

This page is a useful guide to explain it all. http://www.baconsdozen.co.uk/tools/conversion charts.htm

My early Series 3 was mostly UNF, but had a bit of everything. This was both fitted originally and through later repairs.

All of the wheel studs were M16x1.5mm fine thread. The U-bolts were 7/16" BSF, while the spring eye bolts were 5/8 UNF.

As with most of these vehicles, it had been repaired over the years with various metric and imperial bolts holding the panels together, including a few with square heads.
 
I have a belting spanner that fits owt.................:oops:


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