Hex Lock Nut (Flex/Nyloc)

Description

This genuine Harley-Davidson self-locking hex nut, referred to in H-D listings as a flex or Nyloc nut, resists loosening under engine and road vibration. Used on brackets, covers and chassis components across a range of models.

Steel with corrosion-resistant plating. Sold individually.

Fitment: Multi-fit hardware. Thread size not published online; check fitment and size with our parts team.