M12 x 1.75 Acorn (Cap) Nut DIN 1587 Plated M12 x 1.75 acorn (cap) nut din 1587 plated MAN12 $0.657/ea
M5 x .80 Acorn (Cap) Nut A2 Stainless Steel M5-.80 acorn (cap) nut a2 stainless din 1587 XMAN5 $0.090/ea
M5 x .8 Nylon Insert Lock Nut DIN 985 (5) Plated M5-0.80 nylon insert lock nut cl 8 din 985 MNLN5 $0.039/ea