{"product_id":"hillman-370802-hex-head-sleeve-anchor-3-8-x-3-in-durable-concrete","title":"Hillman 370802 Hex Head Sleeve Anchor 3\/8 x 3 in - Durable Concrete","description":"\u003cp\u003eOur review of the Hillman 370802 Hex Head Sleeve Anchor finds it best suited for DIYers and professionals who need a simple, reliable fastener for concrete and masonry work. The bottom line: these zinc-plated, expansion sleeve anchors deliver consistent holding power for mounting door and window frames, shelving, and fixtures where a secure concrete anchor is required. They are straightforward to use when pre-drilled holes are available and stand out for durability and predictable expansion performance in brick, block and concrete.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion design:\u003c\/strong\u003e The sleeve anchor expands as the nut is tightened, providing a secure grip in concrete, brick and block for long-term fixture support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZinc plating:\u003c\/strong\u003e The zinc finish adds surface durability and moderate corrosion protection so anchors perform well indoors and in sheltered outdoor locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile base materials:\u003c\/strong\u003e These anchors are suitable for a range of masonry substrates, making them useful for mounting frames, shelving and wall fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex head nut:\u003c\/strong\u003e The hex head allows standard wrench or socket use so installation is fast and familiar to most tradespeople.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack quantity:\u003c\/strong\u003e Supplied in a 50-pack to keep a jobsite or workshop stocked for multiple installations without repeated ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-drilling required:\u003c\/strong\u003e Designed for use with a pre-drilled hole so placement is precise and repeatable when using the correct drill bit size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese sleeve anchors are aimed at contractors, handymen and serious DIYers who frequently work with masonry and concrete. They are ideal when a permanent, mechanical anchor is required for mounting door and window frames, securing shelving, or hanging medium to heavy fixtures. The 50-pack format is convenient for jobs that need many anchors without buying individual pieces.\u003c\/p\u003e\n\n\u003cp\u003eCustomers who need highly corrosion-resistant anchors for exposed marine environments or stainless steel fasteners should look elsewhere, since these are zinc-plated for moderate protection rather than heavy-duty corrosion resistance.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReliable expansion mechanism provides strong holding power in concrete and masonry.\u003c\/li\u003e\n\u003cli\u003eGood perceived quality and anchor strength reported by users who mounted TVs and fixtures.\u003c\/li\u003e\n\u003cli\u003eZinc plating improves durability for typical indoor and sheltered outdoor use.\u003c\/li\u003e\n\u003cli\u003eLarge 50-pack keeps projects moving without frequent reorders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires pre-drilling and correct hole size, which adds an extra installation step.\u003c\/li\u003e\n\u003cli\u003eZinc plating offers only moderate corrosion protection compared with stainless options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHillman\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHex head sleeve anchor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e3\/8 x 3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e50 per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eZinc-plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase materials\u003c\/td\u003e\n\u003ctd\u003eConcrete, brick, block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Hillman 370802 sleeve anchors are a dependable, cost-effective choice for mounting fixtures into concrete and masonry when moderate corrosion resistance is acceptable. They deliver consistent expansion-based holding power and the 50-pack is practical for larger projects. Choose these anchors if you need straightforward, mechanical anchoring for interiors or sheltered exteriors; opt for stainless steel if you need heavy-duty corrosion protection.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these anchors work in both concrete and brick?\u003c\/strong\u003e\u003cbr\u003eYes, the sleeve anchor design expands in concrete, brick and block to provide a secure mechanical hold when installed correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs pre-drilling required?\u003c\/strong\u003e\u003cbr\u003eYes, pre-drilling the correct hole size is required for proper anchor expansion and reliable performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these suitable for outdoor use?\u003c\/strong\u003e\u003cbr\u003eThe zinc plating gives moderate corrosion protection suitable for indoor or sheltered outdoor use; use stainless anchors for harsh or marine environments.\u003c\/p\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":48645580161243,"sku":"B000BD6E1K","price":35.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71Sr0EgXKYL._AC_SL1500.jpg?v=1778726957","url":"https:\/\/gearmusthave.com\/products\/hillman-370802-hex-head-sleeve-anchor-3-8-x-3-in-durable-concrete","provider":"GearMustHave","version":"1.0","type":"link"}