M3-M12 Nylon Insert Lock Nut Stainless Steel Galvanized Nylock Flange Nut
M3 M4 M5 M6 M8 M10 M12 Stainless Steel / Nickel / Galvanized Nylon Lock Flange Nut Insert Lock Nut Self-locking Nylock Locknut. High-quality self-locking nylon insert flange nuts available in M3, M4, M5, M6, M8, M10, and M12 sizes.