FinishesHot Dipp, Electro Galvanised and Black Enamel.
Size (mm)20mm, 25mm, 32mm, 38mm, 50mm
Description60.3mm Internal Diameter x 25.4mm Deep Tapped M4 in mm sizes and 2BA in imperial sizes of 50.3mm with tapped hole in base for earthing screw. Supplied without covers & screw unless ordered.