Gday All.
I have 12 Crawford Multibore Type B collets that have been laying around in my shed for some time. There is also what I believe to be a retaining nut with them.
First I thought about moving them on but today I've been thinking of maybe making a chuck for them.
I have a nice chunk of cont cast CI that would be suitable for the body.
So I've been searching online for a while tonight trying to find out some dimensions of a suitable chuck.
So far all I've found is a gazillion ads for every form of collet known to man I think.
However so far no actual dimensions of a chuck. I'll keep looking but I was wondering if anyone here had any info/leads/links etc etc.
It wont be that hard to work out the internal sizes from the collets, but a diagram with the sizes would be nice to have a look at.
New, these collets are big money and even used on UK ebay they start at around $90aud each.

collets 001.jpg collet nut.jpg


Any help would be greatly appreciated.
peter
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