• 4-40  Flange Nut - Pack of 4
Flange nuts (also known as weld nuts) can be used to help secure your railbuttons to your rocket.

They come in several different sizes.

  • 4-40 threads for Mini Buttons


When installing the flange nuts inside your rocket, depending on the thickness of the body tube, a portion of the flange nut may protrude.

Priced at $1.00 for a package of 4




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4-40 Flange Nut - Pack of 4

  • Product Code: FN-440
  • Availability: 191
  • $1.00