Hidden Countertop Support Brackets

Hidden countertop support brackets are the quiet hardware that lets a heavy stone overhang pretend it is weightless. We cut each piece from thick American steel bar, mill the edges smooth so the fabricator’s fingers are safe, then weld a stiffener on the underside that disappears once the slab drops in place. No scrolls, no gussets, nothing for knees or barstool backs to crash into, just clean legroom and a shadow line you hardly notice.

Because granite countertop support is about numbers, every bracket sits in a test jig before it leaves the shop. We load sandbags until the steel starts to whisper, then rate the part at half that figure so real life has plenty of margin. Concealed countertop brackets in the island breakfast bar, under counter supports tucked inside a waterfall edge, the install steps stay simple: lag into studs or solid blocking, shim for level, and let the stone crew handle the rest.

Wood butcher block, quartz, porcelain slabs, even concrete tops poured in the driveway, all ride on the same hidden steel. The finish comes raw for builders who like to paint on site, or black powder coat for projects that need to move fast. If a stud lands wrong or the overhang runs wider than usual, shoot us a sketch and we will nudge the hole pattern or stretch the arm length.

• Essential support without cluttering knee space
• Rated for granite, marble, quartz, Corian, porcelain, butcher block
• Discreet profile keeps design lines clean and modern