{"product_id":"metal-sawtooth-expansion-pipe-self-tapping-screws-hollow-wall-anchors","title":"Metal Sawtooth Expansion Pipe Self-Tapping Screws | Hollow Wall Anchors","description":"\u003ch2\u003eMetal Sawtooth Expansion Pipe Self-Tapping Screws for Hollow Walls\u003c\/h2\u003e\n\u003cp\u003eGet a rock-solid fastening solution with these \u003cstrong\u003eMetal Sawtooth Expansion Pipe Self-Tapping Screws\u003c\/strong\u003e. Available in sets of 5 to 100, these versatile hollow wall anchors are engineered for a wide range of installation tasks — from mounting fixtures on drywall and tile to securing fittings on hollow partition walls. The sawtooth design bites firmly into the surrounding material to create a strong, anti-loosening hold that stays put over time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable carbon steel construction for lasting strength and resistance to wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e M6 30mm expansion pipe + 35mm self-tapping screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSet Options:\u003c\/strong\u003e Choose from multiple quantity sets (5 to 100 sets) to match your project needs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor Options:\u003c\/strong\u003e Available in 4 color finishes to suit your preference\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSawtooth Grip Design:\u003c\/strong\u003e Unique serrated expansion pipe locks securely into hollow walls, tiles, and drywall without spinning or pulling out\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Loosening:\u003c\/strong\u003e Once installed, the fastener resists vibration-induced loosening for a reliable, long-term hold\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for hollow walls, drywall, ceramic tile, gypsum board, and thin partition panels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Self-tapping screw threads make installation quick and straightforward — no pre-threading required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSawtooth expansion pipe anchors (M6, 30mm)\u003c\/li\u003e\n  \u003cli\u003eMatching self-tapping screws (35mm)\u003c\/li\u003e\n  \u003cli\u003eAvailable in sets of 5, 10, 20, 50, or 100\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting shelves, mirrors, and cabinets on hollow or drywall surfaces\u003c\/li\u003e\n  \u003cli\u003eSecuring electrical boxes and conduit fittings\u003c\/li\u003e\n  \u003cli\u003eGeneral home improvement and renovation fastening tasks\u003c\/li\u003e\n  \u003cli\u003eProfessional construction and trade applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe use of fasteners and hand tools in home improvement projects, refer to the U.S. Consumer Product Safety Commission (CPSC) DIY Safety Guide.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What surfaces are these sawtooth expansion pipe screws compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These metal sawtooth expansion pipe self-tapping screws are designed for hollow walls, drywall, gypsum board, ceramic tile, and thin partition panels. The sawtooth anchor expands behind the surface to create a firm, anti-loosening grip — making them ideal for any hollow or cavity wall installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size are these expansion anchors and screws?\u003c\/h4\u003e\n\u003cp\u003eA: Each set includes an M6 30mm sawtooth expansion pipe anchor paired with a 35mm self-tapping screw. They are crafted from carbon steel for strength and durability across a variety of fastening applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many sets do I need for my project?\u003c\/h4\u003e\n\u003cp\u003eA: These screws are available in multiple set sizes — from as few as 5 sets up to 100 sets — so you can choose the quantity that best matches the scale of your project. Buying in larger quantities is a cost-effective choice for renovation or construction work.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these screws easy to install without special tools?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The self-tapping screw design means no pre-threading of the anchor is needed. Simply insert the expansion pipe into a drilled hole, then drive the self-tapping screw in to expand the anchor and lock it securely in place with a standard screwdriver or power drill.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What surfaces are these sawtooth expansion pipe screws compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These metal sawtooth expansion pipe self-tapping screws are designed for hollow walls, drywall, gypsum board, ceramic tile, and thin partition panels. 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