M8 self tapping concrete anchor screws . . Premium self tapping screw anchors, which drill a thread directly into the pre dug pilot hole, no dowels required. Self tapping screws are a great way to attach a wide variety of materials to masonry units. Really easy to use. Simply drill a pilot hole and use a wrench socket or wrench for tightening the screw in concrete, natural stone, solid or hollow bricks, hollow blocks, etc. The thread is high low for easier dust removal and easier insertion. Threaded anchor and self tapping provide secure anchoring, the substrate becomes the nut for the bolt. This corresponds to a method already tested and validated on metals and wood for a wider range of materials. They can be reversed and reused in the same hole, since the thread is recessed. Ideal for attaching wooden slats battens, door window frames, floor machines, wall plates , signage, etc. Hooks or handrails, conduits, satellite or parabolic antennas, lines etc. In fact, everywhere a fixing for concrete or masonry is necessary. Features and benefits: No expansion: unlike sockets or dowels, you can place them close to the edge without risk of breakage Eliminates the problem of alignment: drill the pilot hole directly into the material and the substrate. Suitable for a wide variety of surfaces, concrete, solid, hollow or perforated brick, natural stone, marble, etc. Easy to fix easier to tighten, especially with low torque, than screws conventional self tapping screws. Digs a thread into the base material, no dowel required. Passivated yellow zinc. Increases corrosion resistance. Premium carbon steel. Extremely robust and resistant. Tensile forces of 1080 N mm2.
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