Cap Nuts

A Nut with a smooth sometimes domed top, used to cover the end of a threaded fastener preventing stripping or corrosion. The cap provides a neat appearance to the threaded end and can also be referred to as a Low Crown Acorn nut or Crown nut.


  • Metric: Dia M4 - M20
  • Imperial: Dia #8-32 - 2-1/2"
  • Threads: Metric Coarse & Imperial BSW, UNC
  • Strength: A2-70, A4-70
  • Material/Finish: Stainless Steel
  • Compliance: DIN 917