Multi-Fix Countersunk Concrete Screws 7.5 x 40mm (100/Box)

7.5 × 40mm Multi-Fix Countersunk Concrete Screws for direct installation into solid concrete, brick, block, or masonry substrates without the use of a plug.Manufactured from case-hardened carbon steel with a durable zinc-plated finish, they provide rapid installation, high pull-out resistance, and dependable torque control.The countersunk head produces a neat, flush finish ideal for visible or surface-mounted fittings, while the serrated single-thread design ensures fast cutting action and secure anchorage even in dense substrates.7.5 × 40mm sizing is optimised for light-duty applications such as conduit clips, battens, and small brackets in solid walls.