Slotted, Indented, Hex Washer, Self Piercing Screws Eliminate The Need For Pre-Drilled Or Pre-Punched Holes.
Slotted, Indented, Hex Washer, Self Piercing Screws have a sturdy construction for long lasting durability and strength. The indented hex washer head offers the advantages of a hex head, plus greater protection to the mating surface. Includes a neo-EPDM washer that provides protection against leakage, increases load bearing qualities and reduces the chance of loosening due to vibration. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry. Choose from sizes of 8 or 10. Comes in package quantities of 1000.
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