Nylon Insert Lock Nuts

Nylon Insert Lock Nut or Nyloc Nut is a nut that locks into place by creating pressure on the internal nylon material at the top of the thread against the fastener, so it will not vibrate and become loose.


  • Metric: Dia M2 - M64
  • Imperial: Dia #2-56 - 2-1/2"
  • Threads: Metric Coarse/Fine & Imperial BSW, UNC, UNF, SAE
  • Strength: Class 6, 8, 10, Grade 2, 5, 8 & A4-70/80
  • Material/Finish: Zinc Plated, Hot Dip Galvanised, Black Phosphate & Stainless Steel
  • Compliance: DIN 982/985, ASME B18.16.6, IFI 100/107