Flange - Lock Nuts

Flange lock nuts have a large faced washer as a bearing surface built into the nut. Serrated flange lock nuts have rough edge to prevent loosening.

Select Style
Non-Serrated
Non Serrated Flange Lock Nuts
Serrated
Serrated Flange Lock Nuts
Serrated - Large Flange
Steel Large Flange Serrated Lock Nuts