Castor 9809029 (BØB 6x40) is a concrete anchor eye bolt with an M6 thread and 40 mm length, requiring a 5 mm hole drilled to a minimum depth of 40 mm. The steel body is galvanically zinc-plated and terminated with an eyelet head suited to hooking wire, chain and suspension components. Typical use is fixing cable trays, luminaires and other suspended services to concrete substrates; supplied in packs of 100.