Thread size of CSUSA stylus tips

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MarkD

MarkD

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The new stylus tips from CSUSA have an insert that gets pressed into a 7mm tube which is threaded to make it easy to replace the stylus tips.
I need to make some custom inserts using the same size threads so that the CSUSA stylus tips will screw into them. Unfortunately, I don't have any of the new CSUSA stylus to measure the threads.

Has anyone had the need to determine what the size of these threads are?

I did send an message to SAM at CSUSA but I have not received a response.
 
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Thanks Chris, I expect the odds of the PSi and the CSUSA parts being the same would be very slim.
I did just have a chat with a CSUSA rep and they said they don't know what the thread size is.
 
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I don't know the exact thread size, but I will say that the versions sold by PSI and the version sold by WoodCraft have been different threads. I know this because we bought some replacement colored tips and they were not interchangeable.

I know it's not a big help in answering your question but at least you know for sure that there are different thread versions out there.
 
Thanks Carl, it's all good info!
I received a message from Mike at CSUSA. He is presently trying to track down the size. Hopefully I can locate the correct size tap when it's all said and done!
 
I have not heard back from Mike at CSUSA yet but I did receive the stylus tips the other day. The threads were very close to 4mm x 0.7. I used a 4mm x 0.70 tap and I ran a 4mm x 0.70 die over the threads and the replacement tip screwed in nicely.

Thanks for your help!
 
It's so hard to tell with threads that small. They were definitely more course than 4mm x 0.75.
I tapped the hole first and tried to thread the stylus tip in. It didn't seem quite right and I didn't want to force it. I ran a die over the threads of the stylus tip ( just holding the die in my hand ) and then it fit real nice. So I think the threads were 4mm x 0.70 or something very close to it. 4mm x 0.70 seems to be a commonly available tap to us but but that doesn't mean that the threads cut in the stylus tips would be a common size.
For my use I think the 4mm x 0.70 tap and die and a little locktitte threadlocker will work fine.
 
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