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Square dies

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DiscoDan

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I bought an auction lot that included some large size square dies. Are the square ones used for something specific?
 

Bob Korves

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Usually for pipe threads, old school, but some were made for bolt threads as well.. I have a nice, complete set of pipe threading dies and handle that I inherited from my dad, probably about 1900 vintage, still in the original box. IIRC, the dies are about 3 1/2" square.
 

stevewatr

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I acquired some early square dies a while back. Upon closer inspection they turned out to be Whitworth threads, and they might be useful to someone restoring old machines

Steve.

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john.k

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The modern producers of cheap round dies should take notice of the old square dies.............no matter how cheaply made the holder,they worked OK,unlike the modern round dies that shear a soft screw and turn in the mazak holder at will.
 

FOMOGO

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My dads shop had several sets of square dies in two different out side dimensions with ratcheting handles and other hardware. I think they are mostly pipe thread, but I need to take a closer look when I dig them out of the trailer this spring. Kept a lot of his stuff for sentimental reasons. Think I will end up putting a lot of it up on the walls in the new shop. Mike
 

mmcmdl

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I bought an auction lot that included some large size square dies. Are the square ones used for something specific?
My guess would be square bolts ? :big grin:

I also inherited a bunch of these square dies that I hang onto for sentimental reasons . Along with the other old tooling , that most likely is what I'll keep and show them on a mantle or such . :)
 
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