{"product_id":"heavy-duty-steel-wall-anchors-self-tapping-screws-6x14mm-concrete-fasteners","title":"Heavy Duty Steel Wall Anchors \u0026 Self-Tapping Screws 6×14mm","description":"\u003ch2\u003eHeavy Duty Steel Wall Anchor \u0026amp; Self-Tapping Screw Set – 6×14mm\u003c\/h2\u003e\n\u003cp\u003eGet a rock-solid hold in concrete, stone, and masonry with this \u003cstrong\u003eHeavy Duty Galvanized Steel Wall Anchor Set\u003c\/strong\u003e. Each kit pairs a serrated tree-shaped expansion tube with a matching self-tapping screw for a fast, secure, and vibration-resistant fastening solution — no special expertise required. Perfect for mounting shelves, fixtures, hooks, conduit, and more onto hard surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGalvanized Iron Construction:\u003c\/strong\u003e Both the expansion tube and screw are made from galvanized iron for excellent corrosion resistance and lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTree-Shaped Serrated Expansion Tube:\u003c\/strong\u003e The unique serrated design bites deep into the drilled hole, preventing pull-out and spin, delivering a dependable grip in concrete and stone substrates ≥15mm thick.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Tapping Hex Head Screw:\u003c\/strong\u003e Drives directly into the expansion tube with a hex driver — no pre-threading needed — for fast, efficient installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6×14mm Size:\u003c\/strong\u003e Compact yet powerful, ideal for light-to-medium duty anchoring tasks in walls, floors, and ceilings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Pack Options:\u003c\/strong\u003e Available in 30, 50, or 100-set packs so you can stock up for any project size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Simply drill a 6mm (#6 drill bit) hole to a depth of 15mm, insert the expansion tube, and drive in the screw — done!\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6×14mm Stone Expansion Screw Set\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGalvanized Iron (Expansion Tube + Screw)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScrew Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelf-Tapping, Hex Head\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6×14mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplicable Substrate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConcrete \/ Stone (thickness ≥15mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Drill Bit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#6 Drill Bit, 15mm hole depth\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30, 50, or 100 sets (1 expansion tube + 1 screw per set)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e30 \/ 50 \/ 100 × Galvanized Steel Expansion Tubes\u003c\/li\u003e\n  \u003cli\u003e30 \/ 50 \/ 100 × Self-Tapping Hex Head Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting shelves, mirrors, and picture frames on concrete walls\u003c\/li\u003e\n  \u003cli\u003eInstalling conduit brackets, electrical boxes, and cable clips\u003c\/li\u003e\n  \u003cli\u003eSecuring outdoor fixtures, gates, and fencing hardware\u003c\/li\u003e\n  \u003cli\u003eDIY home improvement and professional construction projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/stainless-steel-self-tapping-screws-m2-2-m4-8-phillips-wood-hinge\"\u003e10PCS Stainless Steel Self-Tapping Screws M2.2–M4.8 Phillips\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-no-drill-non-trace-screw-hooks-5-7x5-7cm-thick-adhesive-invisible-picture-hanging-kit-for-photo-frame-keys\"\u003e10Pcs No-Drill Non-Trace Screw Hooks – Invisible Picture Hanging Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch – Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials are these wall anchors suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: These 6×14mm steel wall anchors are designed for use in \u003cstrong\u003econcrete, stone, and solid masonry\u003c\/strong\u003e with a minimum substrate thickness of 15mm. They are not recommended for use in drywall or hollow-core materials.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What drill bit size do I need to install these anchors?\u003c\/h4\u003e\n\u003cp\u003eA: You will need a \u003cstrong\u003e#6 (6mm) masonry drill bit\u003c\/strong\u003e. Drill to a hole depth of at least 15mm, clear out any dust, insert the galvanized expansion tube flush with the surface, then drive in the self-tapping hex head screw.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many sets come in a pack?\u003c\/h4\u003e\n\u003cp\u003eA: These heavy duty wall anchor sets are available in \u003cstrong\u003e30-set, 50-set, and 100-set packs\u003c\/strong\u003e. Each individual set includes one galvanized iron expansion tube and one matching self-tapping screw.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these anchors rust-resistant?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Both the expansion tube and screw are made from \u003cstrong\u003egalvanized iron\u003c\/strong\u003e, which provides a protective zinc coating that resists rust and corrosion, making them suitable for both indoor and sheltered outdoor applications.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials are these wall anchors suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These 6×14mm steel wall anchors are designed for use in concrete, stone, and solid masonry with a minimum substrate thickness of 15mm. They are not recommended for use in drywall or hollow-core materials.\"}}, {\"@type\": \"Question\", \"name\": \"What drill bit size do I need to install these anchors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"You will need a #6 (6mm) masonry drill bit. 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