M3 X 20 Socket Head Cap Screws, Lot Of 100, Black Oxide-coated Steel, 91290a123

US $79

  • Louisville, Kentucky, United States
  • Jun 4th
The box of 100 screws (M3, 20 mm long) was purchased by me a couple years ago from McMaster-Carr.  Their p/n is 91290A123.  These Class 12.9 steel screws are nicely coated with black oxide (see picture).  The thread pitch is 0.5 mm.   Two or three of the screws may have been used temporarily in light use...the remaining 97 or 98 have never been used at all.   Thanks for looking!

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