10-32 Serrated Flange Lock Nut 18-8 Stainless Steel 10-32 serrated flange lock nut 18-8 s/s XSFN1032 $0.130/ea
M10 x 1.5 Serrated Flange Lock Nut DIN6923-10 Plated M10-1.50 serrated flange nut cl 8 din 6923 plated MSFN10 $0.150/ea