{"product_id":"hillman-5-16-in-d-x-3-75-in-l-carbon-steel-round-head-setting-tool-machine-screw-anchor","title":"HILLMAN 5\/16 in. D X 3.75 in. L Carbon Steel Round Head Setting Tool Machine Screw Anchor","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHillman 5\/16 in. D x 3.75 in. L Carbon Steel Round Head Setting Tool Machine Screw Anchor\u003c\/strong\u003e are purpose-built for secure masonry mounting. Designed to work with brick, concrete, and hollow blocks, these round-head anchors deliver dependable grip and a clean finish once the screw is seated.\u003c\/p\u003e \u003cp\u003eWhat makes this anchor stand out:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e5\/16 in. diameter, 3.75 in. length\u003c\/strong\u003e provides a substantial anchor and deep embedment for reliable load support on masonry surfaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCarbon steel construction\u003c\/strong\u003e delivers durability and rigidity to stand up to everyday mounting tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRound head setting tool design\u003c\/strong\u003e creates a neat, flush appearance and facilitates a tidy mounting point for fixtures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh\/Low thread pattern\u003c\/strong\u003e engineered to grip masonry efficiently, reducing installation time and improving pull-out resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBoxed 5-piece pack\u003c\/strong\u003e offers ready-to-use storage and multiples for projects or repeat installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eScrew not included\u003c\/strong\u003e—pair with your preferred machine screw to match the embedment and fixture you’re mounting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal uses include securing shelves, brackets, conduit supports, light fixtures, and other hardware to masonry walls. The 3.75-inch length ensures you get solid grip in both brick and concrete applications, while the 5\/16-inch diameter provides compatibility with a wide range of standard machine screws. This set is perfect for DIY enthusiasts tackling home improvement projects or professionals handling multi-point mounting on masonry surfaces.\u003c\/p\u003e \u003cp\u003ePractical tips for best results:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eChoose a machine screw that matches the anchor’s diameter and provides the desired embedment length for your fixture.\u003c\/li\u003e \u003cli\u003eMake sure the drill hole and hole depth are appropriate for the anchor size to ensure a secure bite.\u003c\/li\u003e \u003cli\u003eUse a setting tool to seat the anchor consistently and achieve a tight, flush finish with the screw.\u003c\/li\u003e \u003cli\u003eInspect anchors after installation for stability, especially on outdoor or high-vibration installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52171847860498,"sku":"51824","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/51824_A.eps_High.jpg?v=1775503176","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-5-16-in-d-x-3-75-in-l-carbon-steel-round-head-setting-tool-machine-screw-anchor","provider":"National Hardware Group","version":"1.0","type":"link"}