8-32 Serrated Flange Lock Nut 18-8 Stainless Steel 8-32 serrated flange lock nut 18-8 s/s XSFN832 $0.110/ea
6-32 Serrated Flange Lock Nut 18-8 Stainless Steel 6-32 serrated flange lock nut 18-8 s/s XSFN632 $0.090/ea