Brass Locknuts are traditional components used in fastening glands to the gland plate & as they are identical material to the gland, corrosion effects are minimal.
With ISO metric thread. To secure only brass cable glands to a gland plate.
Brass Locknuts with material Brass BS 2874 CZ121 Pb3, Mild Steel and plating Brass, Nickel Plated, Zink Plated.