Serrated Expansion Tube Kits | Self Tapping Screws for Concrete | 20/50/100 Sets Fasteners

This versatile fastener kit combines a serrated expansion tube with a self-tapping screw for a quick and powerful installation into concrete, brick, and masonry. The all-in-one design eliminates pre-drilling for the plug, saving significant time and effort. Features and Benefits - Integrated Self-Tapping Screw & Plug - Drills its own pilot hole and expands simultaneously, enabling fast, tool-efficient installation without separate drill bits. - Serrated Expansion Tube - Locks securely into the drilled material to provide exceptional holding force and resistance to vibration loosening. - High-Quality Metal Construction - Ensures strength and durability for permanent, load-bearing applications in tough materials. - Bulk Kit Options (20/50/100 sets) - Offers excellent value for professionals and DIY enthusiasts, ensuring you have the right fastener for ongoing projects. Applications - Fastening wood framing, electrical conduits, and plumbing brackets directly to concrete walls. - Installing outdoor fixtures, security lights, and mailbox posts into brick or masonry surfaces. - General construction and repair tasks requiring a reliable mechanical anchor in solid substrates.