Serrated Flange Lock Nuts

Serrated Flange Lock Nuts, or Whiz-Lock® nuts, have a wide flange at one end that is serrated on the under side. On tightening, the serrations bite into the mating surface providing the locking feature.

Serrated Flange Lock Nuts Diameters

Serrated Flange Lock Nuts are available on the FCH Network with Imperial/US diameters that range from #1 to 6 and with Metric diameters that range from M2 to M20.

Click on the diameters below to view or Search All Serrated Flange Lock Nuts