RS PRO Y Box, Conduit Fitting, 20mm Nominal Size, Steel, Black

A range of boxes incorporating two M4 tapped (50·8 mm centre) holes for lid fixing and one M4 tapped hole in base for earth screw. For suitable lid screws see stock no. 482-8644 and for suitable earth screws see stock no. 482-8650.

Steel To BS4568

BS4568 Part 2 product finish classification.,Class 2 - Black enamelled inside and outside.,Class 3 - Pre-galvanised sheet steel.,Class 4 - Hot dipped galvanised inside and outside.