Gallery, Projects and General > How do I??
a question about dies
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stirling lad:
Hi Gents,,

 sorry but i've got another  question for you oh wise ones. :bow:.....I could'nt afford to buy split dies for a part I'm doing so I bought a cheapo set of unf/unc taps & dies  but when they arrived this morning this is what I saw..

Now I've read of dies sold elsewhere that can be cut to make split dies or just left as is if you only need rethreading dies..
so the question is...Are these that type of die? and if not why do they have the slot and dimples when their die holder does'nt have screws to fit the left/right dimples? :scratch:...Mike...
vtsteam:
Wouldn't a die be pretty hard to try to cut even with a starting groove?

Well I guess it would be possible with an abrasive disk, but it's hard to see how it wouldn't hurt the thread. At least in my hands!

Anyway, I don't know the answer here to why this die has the grooves and dimple except as a guess to make it universal to fit a variety of handles. Of course it could be meant to split after slitting and the dimples used to adjust the gap....
stirling lad:
I think the thread should be ok as the groove would come out in the hollowed section,,In the other forum some guys from somewhere in Europe had'nt any idea what split dies were and they said that they were'nt available where they were,, ( I think it was Sweden or Denmark but I'm not 100% sure) they were discussing it with some Brits,, and their conclusion was that if these were all that was available then they must be optional,,,I thought at  the time that that was a large jump to a conclusion but did'nt have any knowledge to contribute to their discussion... the dies seem to be a half decent quality though  as they have a quite obvious taper to the threads..as you can see on this photo..I don't know if that's of any significance but they do seem better quality than i was expecting..
...Mike..
 
stirling lad:
Ive heard of little red discs from dremel sets being used to cut dies and their supposed to be very brittle though..I have some of the black cutting discs and a similar dremel type drill so i could try to cut one of the larger sizes that are hardly likely to be used..
mattinker:
Cutting wouldn't be a problem with a 1.6mm disk on a 115 or 125mm Ø angle grinder. You might want a thinner slot, but there is no reason why it shouldn't work.

Regards, Matthew
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