Forgefix Masonry Anchor Bolts are Zinc Yellow Passivated for increased durability and corrosion resistance. They offer a tough and reliable construction suitable for most heavy-duty fixing applications. The four-way expansion shield provides strong and secure anchorage, with a specially manufactured retaining spring to ensure encapsulation of the wedge during expansion. These are ideal for fixing racking, machinery, trunking, pipework, switch gear, and other applications. Ensure the correct socket drive or spanner is used for accurate installation. The Zinc Yellow Passivation process provides an aesthetically pleasing and corrosion-resistant finish. Brand: ForgeFix, MPN: 5LB1050, Size: M10 x 50mm, Quantity: 5, Material: Steel (Zinc Yellow Passivated).