Is anyone familiar with a Uni SXR-600 0.28mm refill?

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KMCloonan

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I had a potential customer message me today asking if I knew any pens that could be modified to take a Uni SXR-600 ink ballpoint refill. I did some research (I asked AI, who was really hallucinating and said that the refill was compatible with parker style ballpoint refills. It's not. To test this refill with various pens, I needed to order one. I accidentally ordered red instead of black.

You can see from the pic below that the refill is more likely compatible with a free pen you get at a bank or a realtor. The red refill in the pic is the UNI. The clear refill is from a pen I got from my Ophthalmologist last year after my cataract surgery. The clear refill and the UNI both have a 3mm OD. The uni is about 1/2" shorter than the eye doctor (easier than spelling Ophthalmologist) pen. I used a piece of WD40 spray tube (also 3mm OD) and some electrical tape to extend the length of the UNI refill to get close to the eye doctor pen. I also wrapped some electrical tape around the Uni refill, closer to the nib end, to give the spring something to bottom out on. This MacGyver set up actually worked, but I doubt it is what my potential customer is looking for.

uni2.jpg


uni3.jpg



So: does anyone know of any kit pens or commercially available pens that can take a Uni SXR-600 3mm x 3.4" long refill?

Thanks for any leads.

Kevin
 
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You might want to compare the Uni to a mini refill (I dont have one to even look at). I believe they are a straight single dimension from end to end. You may be able to use a kit that uses the mini and just extend the tubes to match the length of the Uni.
Just a thought!

How 'bout Mini Bolt Action? The kit comes with some king of adapter for the mini refills it uses. Perhaps the Uni would work without the adapter if the adapter is used to lengthen the mini refill.
Or look at any of the mini refill pen kits.
 
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I would ask what is so special to the client about the Uni refill? There are many other refills that might mimic the Uni in the way it writes if that is the reason. Of course if the client is the owner of the Uni manufacturing plant that could come into play also! 😜
 
I would ask what is so special to the client about the Uni refill? There are many other refills that might mimic the Uni in the way it writes if that is the reason. Of course if the client is the owner of the Uni manufacturing plant that could come into play also! 😜
The customer likes the extremely fine point (0.28mm), which allows them to write very small. I don't know much about mini refills. I am learning.
 
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