M12 x 1.75 Acorn (Cap) Nut DIN 1587 Plated M12 x 1.75 acorn (cap) nut din 1587 plated MAN12 $0.657/ea
M6 x 1.0 Acorn (Cap) Nut A2 Stainless Steel M6-1.0 acorn (cap) nut a2 stainless din 1587 XMAN6 $0.170/ea
M6 x 1.0 Nylon Insert Lock Nut DIN 985 (5) Plated M6-1.00 nylon insert lock nut cl 8 din 985 MNLN6 $0.036/ea