{"product_id":"230pcs-phillips-flat-hex-washer-head-concrete-screws-1-4-3-16-blue-with-drill-bit","title":"230Pcs Phillips Flat \u0026 Hex Washer Head Concrete Screws 1\/4\" \u0026 3\/16\" Blue with Drill Bit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e230Pcs Blue Ruspert Concrete Screws — Phillips Flat \u0026amp; Hex Washer Head, 1\/4\" \u0026amp; 3\/16\" with Drill Bit\u003c\/h2\u003e\n    \u003cp\u003eAnchoring into concrete, brick, or block shouldn’t require a trip to the hardware store for plastic anchors or epoxy. This 230-piece Blue Ruspert concrete screw kit gives you everything needed for direct masonry fastening — two head styles, two diameters, and a drill bit included, all organized in a labeled storage box.\u003c\/p\u003e\n    \u003cp\u003eEach screw is made from high-carbon steel, hardened through high-temperature quenching, and coated with Blue Ruspert — a corrosion-resistant finish rated to withstand hydrochloric acid exposure for over 1,000 hours. The hi-lo thread design with a diamond point tip cuts directly into masonry without pre-installed anchors, reducing installation time and minimizing substrate cracking.\u003c\/p\u003e\n    \u003cp\u003eThe kit covers both 1\/4\" and 3\/16\" diameters in Phillips flat head and slotted hex washer head styles, making it suitable for flush-mount applications, bracket mounting, conduit straps, furring strips, and general concrete fastening in homes, garages, workshops, and outdoor spaces.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cimg alt=\"230Pcs Blue Ruspert Concrete Screws kit overview\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Detail-04_7f4ef974-1c31-4ccb-a4de-d2e341357a59.jpg?v=1750239834\" style=\"width:100%;display:block;margin:16px 0;\"\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Compatible with concrete, brick, block, and masonry substrates — 1\/4\" and 3\/16\" diameters; drill bit included for pilot holes\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These Blue Ruspert Concrete Screws\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eBlue Ruspert Corrosion-Resistant Coating:\u003c\/strong\u003e High-carbon steel screws treated with Blue Ruspert finish — rated to withstand hydrochloric acid corrosion for over 1,000 hours. Significantly more durable than standard zinc-plated or black oxide screws in damp and outdoor environments.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHi-Lo Thread with Diamond Point Tip:\u003c\/strong\u003e The high-low thread design and unique diamond point tip drill quickly into concrete, brick, and block, gripping the substrate firmly. Anti-loosening thread geometry keeps fasteners secure under vibration and load.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eTwo Head Styles in One Kit:\u003c\/strong\u003e Phillips flat head screws (3\/16\") sink flush for a clean finish on trim and electrical boxes; slotted hex washer head screws (1\/4\") provide high clamping force for brackets, rails, and furring strips. One kit covers both needs.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e230-Piece Assortment with Drill Bit:\u003c\/strong\u003e A complete job-ready kit with 230 screws across both diameters and head styles, plus a compatible drill bit — no separate purchases needed to get started.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eOrganized Labeled Storage Box:\u003c\/strong\u003e Each screw size has its own clearly labeled compartment for fast identification on the job site — no loose bags, no mix-ups between sizes.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for concrete slabs, brick walls, concrete block, stucco, and mortar joints. Ideal for homes, garages, workshops, patios, and light commercial masonry fastening tasks.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cimg alt=\"Blue Ruspert concrete screws hi-lo thread and diamond point detail\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Detail-05_16e43d42-1830-4d93-8e14-7258020a739e.jpg?v=1750239834\" style=\"width:100%;display:block;margin:16px 0;\"\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🏠\u003c\/span\u003e\n      \u003cstrong\u003eHomeowners \u0026amp; DIYers\u003c\/strong\u003e\n      \u003cp\u003eMount shelving, handrails, and storage systems directly into concrete basement walls or garage floors — the included drill bit and organized storage box make it easy to get started right away.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eContractors \u0026amp; Remodelers\u003c\/strong\u003e\n      \u003cp\u003eKeep a dual-head assortment on site for framing, electrical rough-in, and masonry attachment — the Phillips flat head and hex washer head cover the most common residential and light commercial fastening needs in one kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🏗️\u003c\/span\u003e\n      \u003cstrong\u003eOutdoor \u0026amp; Patio Builders\u003c\/strong\u003e\n      \u003cp\u003eAnchor deck posts, patio railings, and fence hardware to concrete footings with confidence — the Blue Ruspert coating handles covered outdoor exposure without corroding.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cimg alt=\"Blue Ruspert concrete screws application in masonry wall\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Detail-07_0b380bd0-a075-4e4d-b008-cdeeb050bcef.jpg?v=1750239834\" style=\"width:100%;display:block;margin:16px 0;\"\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHigh-carbon steel with Blue Ruspert coating\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eRated 1,000+ hours in hydrochloric acid exposure\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eScrew Diameters\u003c\/th\u003e\n\u003ctd\u003e1\/4\" (6.35 mm) and 3\/16\" (4.76 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Styles\u003c\/th\u003e\n\u003ctd\u003ePhillips flat head (3\/16\") and slotted hex washer head (1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eHi-lo self-tapping masonry thread\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTip Type\u003c\/th\u003e\n\u003ctd\u003eDiamond point for fast masonry penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlue Ruspert — corrosion and wear resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e230 screws + drill bit\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Base Materials\u003c\/th\u003e\n\u003ctd\u003eConcrete, brick, block, stucco, mortar\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled compartment plastic storage box\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1,315 g (2.9 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cimg alt=\"230Pcs Blue Ruspert concrete screws complete kit contents\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Detail-08_92f6dd02-a44d-4145-9468-2f419363e359.jpg?v=1750239834\" style=\"width:100%;display:block;margin:16px 0;\"\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need to pre-drill before installing these concrete screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes — a pilot hole is required. Use a hammer drill with the included drill bit to drill to a depth approximately 1\/4\" deeper than the screw length. Clear the dust from the hole, then drive the screw directly into the masonry. No plastic anchor or epoxy is needed.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between the Phillips flat head and the hex washer head screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe Phillips flat head (3\/16\") sinks flush into the material — ideal for trim, electrical boxes, and applications where a smooth surface is needed. The slotted hex washer head (1\/4\") sits proud of the surface and provides higher clamping force — best for brackets, furring strips, rails, and heavy-duty fastening tasks.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does Blue Ruspert coating mean, and how does it compare to standard finishes?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBlue Ruspert is a proprietary corrosion-resistant polymer coating applied after high-temperature quenching. It is rated to withstand hydrochloric acid exposure for over 1,000 hours — significantly more durable than standard zinc plating or black oxide finishes. It provides reliable protection for interior masonry and covered outdoor applications.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these screws be used outdoors or in wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The Blue Ruspert coating provides corrosion resistance suitable for covered outdoor use — garages, porches, patios, and under-eave applications. For direct rain exposure, ground contact, or salt-air coastal environments, stainless steel fasteners are recommended for long-term performance.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat base materials are these screws compatible with?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws are designed for concrete, brick, concrete block, stucco, and mortar joints. They are not intended for use in wood-to-wood or metal-to-metal applications without a masonry substrate.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these screws be removed and reused after installation?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws can typically be removed by reversing the drive direction, but reuse in the same hole is not recommended. The hi-lo threads cut into the masonry on first installation; reinstalling into the same hole will result in reduced holding strength.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart and get your complete Blue Ruspert concrete screw kit delivered.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":50540217991391,"sku":"GBTST0035","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/4894\/6655\/files\/GBTST0035_909dd803-c5cb-4f56-8747-994e308d31bd.jpg?v=1783523058","url":"https:\/\/georbella.com\/products\/230pcs-phillips-flat-hex-washer-head-concrete-screws-1-4-3-16-blue-with-drill-bit","provider":"Georbella","version":"1.0","type":"link"}