bimetallic crown professional drill bit CEILING LIGHTS Finished in Electropolished stainless steel

Finished in Electropolished stainless steel

they measure 170mm in diameter making them a good fit for entrance lights

They are very high quality and this version has a matching solid brass hook

With Powder powder-coated black frame

bimetallic crown professional drill bit CEILING LIGHTS Finished in Electropolished stainless steelThe primary application for our round ceramic wall and ceiling sockets. This will drill the correct hole size for the installation of the back box for Katy Paty. Bimetallic crown a professional tool for drilling holes. For boxes in hollow walls. Supplied with clamping and centring drill in the length of 70 mm. Clamping 11 mm hexagon. Use this drill bit on the following materials and walling = alloyed and non alloyed steels with strength up to 700N m2,