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square head bolts

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roy entwistle16/05/2011 09:10:47
1716 forum posts
does anyone know where i can get hold of quarter whit steel square headed bolts about one inch long
Chris B16/05/2011 09:25:57
34 forum posts
5 photos
When I wanted some square headed coach screws( I could only find hex hd) when I was making my 7 1/4" slate waggon I cut off the hex heads and put a short thread on the shank, then made nuts from square bar and silver soldered them to the shank.
 
I suppose this method could be applied to square nuts and studding to give you what you want.
Ian S C17/05/2011 11:19:46
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7468 forum posts
230 photos
I'd find a bit of steel of the diagonal diameter, turn the bolt dia, and thread it, part it off, turn it around and rechuck it, then put the filing rest in place and file the square head, then chamfer the corners. You can either screw cut the thread, oruse a die. This is all assuming that you have some sort of lathe, 1/4" I could make on my Super Adept, it would take a while. Ihave turned a 6 mm bolt by putting the bar in the Jacobs chuck on the vertical mill, and using the machine vice as a tool holder, won't do that again in a hurry. It was the bolt fot the back gear on my lathe, an the steel was a bit of silver steel.
Ian S C
mgj17/05/2011 11:33:57
1017 forum posts
14 photos
Or use it as the excuse needed to buy a self centering small 4 jaw, which is quite a useful thing anyway.
 
You could also make a split bush to take a length of the right sized square bar. Being split and fairly thin walled, if you use it to hold the bar in the 3 jaw, it will be held tightly and centrally enough for the purpose.
 
Saves a lot of milling etc.
Ian S C17/05/2011 13:53:33
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7468 forum posts
230 photos
For the Adept, I'v only got a four jaw, if I was doing this job it would need a center in the thread end, and you can't get very much inside the chuck, I think the taper is about 1/4"at the end of the saft, but if a little lathe like this is all you have, it will do quite a good job if care is taken. There is allways a way around these problems. Even in full size a nut welded on a bit of screwed rod stands in for a bolt. Ian S C
roy entwistle09/06/2011 09:07:58
1716 forum posts
 
Thanks folks I'm cutting them from solid
jomac09/06/2011 14:23:40
113 forum posts

Hi here in OZ they have specialty fastener, or some other trade name??? they supply all sorts of screws and bolts, As I said to Ian SC I got mine for the tool post holder, in whitworth they are also good quality steel, surely in the UK they have the same sorts of suppliers, who can sort your problem out.

John H

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