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10BA bolts for ex-SAR/ WHR DZ wagon

Started by Allscales, January 08, 2017, 17:55

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Allscales

I've just started looking at assembling the Boston Largs Works kit for this. I bought it at Kegworth, but haven't really had much impetus to build it, until now...

At the time I bought wheels and Bemo couplings to match, but missed the bit about the bolts (because that's only in the instructions, not on the outside)!

So where can I get some of those? I've had a quick google and it has turned up BA bolts:

http://www.ba-bolts.co.uk/index.html

Am I looking in the right place?

Thanks in Advance,

Friso
COO: Die Engadin Bahn


JulienW

#2
10 BA bolts/screws and nuts should be widely available in the UK and it may even be possible to buy some in a local hardware shop if one still has one (as opposed to the DIY 'supersheds' of B&Q and the like).

Outside of the UK it may not be easy to obtain BA nuts & bolts and one of the Metric (or US) types may be easier (and cheaper) to get.  I couldn't tell you what they are, but with the information that 10BA uses a 1.4 mm diameter tapping hole and a 1.8mm clearance hole an easier to obtain metric or US equivalent could be worked out.

From memory of the Boston Largs kits (it's been a while since I built mine) the holes for the bolts are etched and fit into a nut, possibly soldered on, so all you need is something that will fit the holes, whether that is 10BA, M1.6 or what have you. The important thing is the thread itself, so whatever you use make sure that the nut and bolt are the same standard (i.e. don't try a 10BA bolt in a M1.6 nut).

Hope that helps.

Edit (10/1/17): I happened to come across a set of instructions yesterday. The screws/bolts go in from the bottom so the hole in the bogie will be a clearance hole and that in the body drilled to taping size.  You could use a tap to cut the thread but I suspect that most metal (steel or brass) screws would cut their own thread in the cast resin floor.
Julien Webb - 1720

Allscales

Thank you all!

It's much appreciated!
COO: Die Engadin Bahn