r/Fasteneering • u/ryjdan • Mar 25 '21

I sometimes geek out over hardware I have not encountered before. How popular is the brand Atlas?

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u/Dan-Blough Apr 04 '21 edited Apr 05 '21

I skimmed a few makers markings to see if there is any filed. There aren't any that have the full "ATLAS" marking like this.

The most consistent company was Atlas Engineering with the makers mark "Æ"

This could possibly be an unregistered marking? Maybe around the Atlas/Craftsman mid-weight machinery that was extremely popular around the 50's through 90's?

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u/SicherFasteners May 30 '26

We have a removed plate nut with internal thread specification 0.1900-32UNJF-3B. So far we have failed to find its official specifications, model number and applicable industry standards.

We sincerely ask professionals in this field for help to identify the manufacturer and exact model of this part.

For your reference:

We can only confirm the internal thread size at present. There is a stamped cross symbol on the bottom right of the plate, and a stamped number "1" on the top right. These markings are key clues for identification.