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I'm fixing a custom pendant, and one of the pieces has been damaged and needs to be replaced. Trouble is, I can't figure out what this piece is called or where to find one similar. It is the silver metal threaded piece in the photo.

Threaded metal tube with one end unthreaded, and smaller with a hole in it

  • It is (almost exactly) the same diameter as an E26 light bulb base—I measure it at 1 3/32" diameter, 27.7mm. However, it has tighter threads than an E26; I measure them at 12-13 threads per inch.
  • It is 1.6" / 41mm tall.
  • The upper hole is 3/8" diameter, which is important as it needs to fit over "1/8 iron pipe" (3/8" diameter) and be clamped to it with nuts on either side.

The entire piece slides through a 1.25" (32mm) hole in the glass shade, and then a threaded nut/washer (like the black plastic one in the picture) screws on to support the 3-4 pound glass.

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    So many lamp makers, all over the world; foreign and domestic. Current and long defunct. Some using common parts, some custom, some downright one-of-a-kind. Your best bet would be a custom lamp repair shop. Good luck... I am not confident of your chances. – Jimmy Fix-it Oct 15 at 5:50
  • Yes, you're unlikely to find an equivalent part by name, let alone one that's compatible in size and shape. – isherwood Oct 15 at 13:00
  • Finding an exact match is unlikely. However, it's relatively easy to find a hollow-center threaded rod with the same diameter and thread pitch, and that may well meet your needs. If you can't match the pitch, then you'd need to buy a washer and one or two matching nuts to 'rebuild' the support piece. – Carl Witthoft Oct 15 at 18:04
  • @CarlWitthoft I agree that an exact match is not needed, and I'm happy to by a new matching retainer threaded washer. Can you supply any links or name for a "hollow-center threaded rod"? You'r assertion that it's "relatively easy" may only hold true depending on what it is relative to. :) I'm not finding results using those terms. Also, note that the closed end with significantly smaller diameter is important for mounting it. – Phrogz Oct 15 at 18:46
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Closest I've found is "THREADED CANDELABRA SOCKET CUP" enter image description here

I'm finding a couple of similar-looking items called "lamp holder with threaded sleeve", for example:

Lamp holder E27 with threaded sleeve:
Lamp holder E27 with threaded sleeve

E27 BLACK THREADED SKIRT PENDANT STYLE LAMP HOLDER WITH 1/8IPS THREADED CAP:
E27 BLACK THREADED SKIRT PENDANT STYLE LAMP HOLDER WITH 1/8IPS THREADED CAP

E27 BLACK PHENOLIC FULLY THREADED SKIRT LAMP HOLDER WITH 1/8IPS THREADED CAP:
E27 BLACK PHENOLIC FULLY THREADED SKIRT LAMP HOLDER WITH 1/8IPS THREADED CAP

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