Floating Shelf Brackets Heavy Duty 3/8" Thick 4 Pack 20" Lx2.5 W Steel Hidden Countertop Support Brackets for Wall Mounted Granite, Quartz and Industrial Shelving

Upgrade your installation with our T-Shape Concealed Countertop Bracket, a premium solution for supporting heavy overhangs without visible braces. Crafted from solid 3/8-inch thick industrial steel, this T-bracket is engineered for maximum load-bearing strength and architectural versatility—ideal for stone countertops, heavy-duty shelving, and wall-mounted work surfaces. The vertical mounting arm measures 12 inches and includes six precision-drilled countersunk holes for secure fastening into wall studs or wood framing. The horizontal support arm is available in multiple lengths—8”, 10”, 12”, 14”, 16”, 18”, and 20”—to perfectly accommodate various overhang depths and project requirements. Whether you’re installing industrial floating shelves or thick stone countertop extensions, this bracket provides a rock-solid foundation. Our low-profile countertop support design eliminates the need for bulky corbels, creating a clean, modern aesthetic. It’s the perfect choice for professional kitchen remodels, commercial bar installations, or heavy-duty garage workstations. The solid steel construction and professional powder-coated finish ensure long-lasting durability and superior corrosion resistance in both residential and professional environments. This versatile hardware functions as both a hidden masonry support and a reliable solution for structural needs like wall-mounted desks and floating cabinetry. Whether you’re a professional contractor, interior designer, or DIY enthusiast, these brackets provide the industrial strength you need with a minimalist, high-end look. Key Features: Industrial-grade 3/8” thick solid steel 12” vertical mounting side with six countersunk holes Multiple horizontal lengths available (8” to 20”) Professional-grade powder-coated protective finish Ideal for granite, quartz, butcher block, and heavy timber shelving

• Built for Heavy-Duty Support. Constructed with 3/8-inch thick solid steel on both the vertical and horizontal arms, this T-shape floating shelf bracket delivers unmatched durability and strength. The vertical side of the T bracket has six countersunk holes to increase its loading capacity up to 200lb per pair. It securely holds heavy countertop materials like granite, quartz, and butcher block, perfect for daily home upgrades and professional construction installation.
• Sleek, Hidden Design. Achieve that sought-after floating look with this concealed, low-profile design. The heavy duty shelf bracket installs underneath the surface, staying completely out of sight while offering robust support. No bulky corbels or visible reinforcements—just a clean, modern aesthetic perfect for kitchens, offices, or commercial bars where style and simplicity go hand-in-hand.
• Simple and Secure Installation. Installation steps of the countertop bracket are: 1.Identify and mark the proper mounting locations on your wall. 2.Use a laser level or chalk line to draw a straight reference line. 3.Securely fasten the floating bench bracket to the side of a wall stud for a strong hold. 4.Once the heavy duty countertop bracket is mounted, patch any damaged areas on the wall. 5.Before setting the countertop, apply a bead of silicone adhesive down the center of each bracket.
• Choose from Multiple Sizes. Available in a variety of horizontal lengths from 8 inches up to 20 inches, this heavy duty floating shelf bracket lets you customize support based on your specific overhang depth. Regardless of the size, all countertop support brackets maintain a 12-inch vertical side and 3/8-inch thickness to ensure reliable support across the board. Ideal for tailored installations with varying dimensions.
• Great for Many Uses. Perfect for supporting kitchen countertops, floating desks, bathroom vanities, bar tops, or garage work surfaces, this hidden floating shelf bracket is as versatile as it is strong. Use it with wood, stone, or composite materials in any room. Whether it’s a residential remodel or a commercial build-out, this structural wall support adapts to a wide range of projects with ease and confidence.