Hidden Granite Countertop L Bracket

Name: Iron Supports Hidden Granite Countertop L Bracket - Hidden Granite Countertop L Bracket
Brand: Iron Supports
SKU: 15840872202311
Price: 50.0 USD
Availability: InStock
Rating: 4.7806 (208 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$50.00

Quantity

Color

Black

Quantity

Support a granite countertop overhang with nothing showing underneath. The Hidden Granite Countertop L Bracket sets into the top of your knee-wall, pony-wall, or cabinet header providing nearly invisible support under your countertop overhang.
This bracket is cut from solid ½" A-36 American steel. That's twice the thickness of a standard

4.8

237 ratings

This is the 2nd time we have used this company for countertop supports and they are amazing. Very sturdy, very heavy and easy to install

Marie · 19 days ago

Quality

Ordered four of these. They came just as advertised…exact sizing, nicely formed, smooth edges, powder-coated, and with sturdy fasteners

Brendan · September 12, 2026

Best Brackets around!

Great products and service. We always use your products, don’t look elsewhere!

Joseph · September 24, 2026

Returns accepted within 30 days

Exclusions may apply. See full policy

Iron Supports

4.8 (4.1K)

Product description loading

This is the product description text that will appear here.

Iron Supports

Hidden Island Countertop Bracket

(654)

$44.00

Knee wall Countertop Bracket provides countertop support on both sides of the knee wall by straddling the wall and providing cantilevered support on both sides.

Iron Supports

Hidden Center Mount Countertop Bracket - Double-Sided Knee Wall Support

(26)

$75.00

Iron Supports

HD Front Mount Bench Bracket

(22)

$70.00

Exclusive deal available

Shelfology

Aksel MD Floating Shelf Bracket

$44.00

Pictured here is our 1.5inch wide Victorian Style Iron Corbel with a timeless hand-forged center support

Iron Supports

Victorian Iron Corbel 1.5-Inch Wide

(43)

$74.00

EZ-Level

4.9

(54)

The Original Granite Bracket

The Original™ Bridge Bracket

(1)

$68.54

The Original Granite Bracket

The Original™ Custom Support Brackets

(8)

$317.95

The Original Granite Bracket

The Original™ Contractor Utility Bracket

(1)

$37.95

Iron Supports

Woodland Branch Iron Corbel 2-Inch Wide

(25)

$155.00

Studly Utility Bracket in black steel with triangular pattern for strong, functional shelf brackets and wall storage hardware

Exclusive deal available

Shelfology

Studly Utility Bracket

$34.00

Pictured here is the hand-forged Cooper Corbel and support bracket in antique bronze.

Iron Supports

Cooper Iron Corbel 2-Inch Wide

(11)

$140.00

Concrete Countertop Solutions

4.5

(2.3K)

Construction Screw for concrete countertop forms

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 30 Inch)

$100.65

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Raw 28 Inch)

$89.10

Iron Supports

Hidden Granite Countertop Flat Bracket

(530)

$32.00

Iron Supports

Universal Heavy Duty Commercial Support Bracket

(335)

$24.00

Shelfology

4.6

(126)

Aksel XD Single Rod Floating Shelf Bracket in matte black steel, engineered for robust support of mega deep floating shelves and wall-mounted display ledges

Rem Cabinet Pull - None in deep rust red featuring a minimalist, durable design for functional shelf and wall hardware integration

Fat Lippie Picture Ledge (3" Depth) in matte white steel floating shelf holding framed art and books on split-tone wall

Exclusive deal available

Shelfology

Aksel XD Single Rod Floating Shelf Bracket

$26.00

Iron Supports

Stout Iron Corbel 1.5-Inch Wide

(9)

$74.00

The Original Granite Bracket

The Original™ Side Wall Free Hanging Shelf Bracket in Industrial, Aluminum or American Made Steel

(67)

$48.40

The Original Granite Bracket

The Original™ Regular Shelf Bracket

(106)

$41.75

4 Black Original Free Floating Vanity Brackets secured to an unfinished wooden bathroom wall in a white bathroom with a window in the background.

The Original Granite Bracket

The Original™ Floating Vanity Bracket®

(3)

$74.05

Iron Supports

Willow Iron Corbel 2-Inch Wide

(12)

$150.00

Iron Supports

Willow Metal Shelf Bracket

(28)

$92.00

The Closet Rod Company

4.9

(53)

Close-up of round matte brass closet rod showing hollow tube end

Round Matte Brass Closet Rod End Supports

Oval Matte Brass Closet Rod Screw In End Supports

1.5-inch wide Charlotte Corbel in Unfinished Iron Ready For Paint

Iron Supports

Charlotte Iron Corbel 1.5-Inch Wide

(7)

$110.00

A black post bracket spanning between two white posts for a kitchen island in a modern kitchen setting

The Original Granite Bracket

The Original™ Post Bracket

(1)

$48.41

Exclusive deal available

PipePulse

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 36 Inch)

$145.86

Iron Supports

Eclipse Iron Corbel 1.5-Inch Wide

(20)

$74.00

Docking Drawer

4.9

(415)

17.5 Inch Deep Hidden Stud Mount Floating Bench Bracket Matte Black Powder Coat Finish

Iron Supports

Hidden Floating Bench Bracket

(19)

$58.00

Farmhouse Metal Shelf Bracket in black finish. Counter sunk holes to provide fast and easy mounting.

Iron Supports

Metal Farmhouse Shelf Bracket

(167)

$18.00

Exclusive deal available

Shelfology

Glenn HD Floating Mantel Bracket

(6)

$111.00

Iron Supports

Willow Iron Countertop Corbel (single center brace)

(31)

$92.00

CP Adhesives, Inc.

CP-0503 - Pre-Catalyzed Powdered Urea Resin (Brown)

$1,391.25

The Original Granite Bracket

The Original™ Double Sided Island Support Bracket in Industrial, Aluminum or American Made Steel

(2)

$62.95

Trudoor

4.6

(114)

The Original Granite Bracket

The Original™ Regular Wood Shelf Bracket

(27)

$44.60

Pictured is the 1.5-Inch Wide Parson Corbel with a timeless black iron finish.

Iron Supports

Parsons Metal Shelf Bracket

(16)

$50.00

Exclusive deal available

Shelfology

Studly FM Utility Bracket

(1)

$53.00

2-inch wide Charlotte Corbel with Black Iron Finish

Iron Supports

Charlotte Iron Corbel 2-Inch Wide

(6)

$150.00

Industry Tile

The Original™ T-Bracket Hidden Countertop Support Bracket

$50.33

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 38 Inch)

$115.50

Exclusive deal available

PipePulse

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 24 Inch)

$117.98

Iron Supports

Standard Front Mount Countertop L Bracket

(931)

$37.00

The Original Granite Bracket

4.8

(2.4K)

Aksel HD floating shelf bracket — heavy-duty steel bracket top view showing rods and backplate

Exclusive deal available

Shelfology

Aksel HD Floating Shelf Bracket

(2)

$42.00

12" X 24" Left Hand Wall Heavy Duty Vanity Bracket with Matte Black Powder Coat Finish.

Iron Supports

HD Hidden Floating Vanity Bracket

(8)

$98.00

18" X 12" Left Hand Wall Mount Bench Bracket with Matte Black Powder Coat Finish View 1

Iron Supports

Front Mount Bench Bracket

(17)

$24.00

The Original Granite Bracket

The Original™ T-Bracket Hidden Countertop Support Bracket

(144)

$50.33

Four Black wall cleats attached to the corner of a beige wall next two white cabinets.

The Original Granite Bracket

The Original™ Wall Cleat Countertop Support Bracket

(17)

$35.10

Iron Supports

Parsons Iron Corbel 2-Inch Wide

(54)

$65.00

Murphy Door®

3.6

(104)

Murphy Door® wooden shelf with concealed gun compartment, displaying books and decorative items while hiding a handgun in the secret drawer.

Drake Slimline Countertop Bracket (Black Primer) in sleek black for strong floating shelf and countertop support hardware

Exclusive deal available

Shelfology

Drake Slimline Countertop Bracket (Black Primer)

$40.00

Iron Supports

Stout Iron Corbel 3-Inch Wide

(13)

$156.00

ADAToeKick.com

ADA Toe Kick (EZ Kick) Sold as a Pair

(1)

$15.98

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 26 Inch)

$94.05

White River Hardwoods

MDF Radius Corners, L Corner (accepts 3/4" plywood), 4" Radius, 5 11/16"W x 1 7/8"D x 97"L

(4)

$122.00

Farmhouse Metal Shelf Bracket with Lip in black finish. Counter sunk holes to provide fast and easy mounting.

Iron Supports

Metal Farmhouse Shelf Bracket With Lip

(30)

$16.00

Heavy-duty front mount L bracket with a reinforced gusset, pre-drilled holes, and a black powder-coated finish for durable countertop support.

Iron Supports

HD Front Mount Countertop L Bracket

(44)

$70.00

The Original Granite Bracket

The Original™ Knee Wall Hidden Countertop Support Bracket in Industrial, Aluminum or American Made Steel

(11)

$33.20

Exclusive deal available

Shelfology

Aksel XD Floating Shelf Bracket

$60.00

Star Hanger Systems

Star Hanger, Ceiling Clip Pair for hanging ceiling panels, these are are safer than Z Clips for ceiling panels,

The Zero can be used both to mount to furring and mount to drywall. a hidden fastener, that The Zero allows for the fast and easy installation of panels, directly into place with zero reveal.

Docking Drawer

15 amp Blade Duo In Drawer Outlet

(82)

$435.00

Black Flat Wall Bracket on a white half wall on a light brown wood floor

The Original Granite Bracket

The Original™ Flat Wall Countertop Support Bracket in Industrial, Aluminum or American Made Steel

(1)

$45.55

The Original Granite Bracket

The Original™ Shower Bench Bracket®

(30)

$74.05

The Original Granite Bracket

Industrial 1 inch Free Hanging Shelf Bracket®

(46)

$63.98

Iron Supports

Willow Iron Corbel 1.5-Inch Wide

(12)

$110.00

Drake Slimline Countertop Bracket (Powder Coated) in rust color for sturdy floating shelf hardware and wall display solutions

Exclusive deal available

Shelfology

Drake Slimline Countertop Bracket (Powder Coated)

(1)

$62.00

2inch wide Freeman Iron Corbel with Black Iron Finish

Iron Supports

Freeman Iron Corbel 2-Inch Wide

(4)

$140.00

Concept Hardware

The Original Granite Bracket

The Original™ Slim Side Wall Bracket

$48.40

Exclusive deal available

FixIt Hub

Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops - Steel Kitchen Island Support Brackets (Matte Black - 32 Inch)

$103.95

Iron Supports

Camden Iron Corbel 3-Inch Wide

(2)

$169.00

Iron Supports

Floating Countertop Wall Bracket

(423)

$50.00

The Original Granite Bracket

The Original™ L Bracket Countertop Support in Industrial, Aluminum or American Made Steel

(4)

$41.75

Aksel Hollow Core HD Floating Shelf Bracket in black metal designed for sturdy hollow core wall shelving installation

Exclusive deal available

Shelfology

Aksel Hollow Core HD Floating Shelf Bracket

(8)

$54.00

Iron Supports

Parsons Iron Corbel 1.5-Inch Wide

(31)

$48.00

The Original Granite Bracket

The Original™ Large Shelf Bracket in Industrial, Aluminum or American Made Steel

(1)

$56.95

white color charging station Blade Outlet

Docking Drawer

15 amp Blade In Drawer Outlet

(75)

$325.00

HardwareSource

4.8

(1.9K)

The Zero Side Mount SKU 320 is a hidden panel mounting clip designed to snap removable panels firmly in place at 90 degree right angles to an adjacent side panel.

Star Hanger Systems

325 Zero Side Mount

$15.25

The Original Granite Bracket

The Original™ Heavy-Duty Utility Bracket

(4)

$61.70

Exclusive deal available

Shelfology

Leif L Bracket

(4)

$25.00

Iron Supports

Stout Iron Corbel 2-Inch Wide

(9)

$96.00

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 36 Inch)

$112.20

Exclusive deal available

FixIt Hub

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 24 Inch)

$90.75

Tradition Hardware

4.9

(18)

Solid brass Luxe Ball Knob, standard size, in a polished unlacquered brass finish for cabinets.

Solid brass Classic Knob, standard size, in an unlacquered polished brass finish for cabinets.

Solid brass Campaign drawer pull, 6 inches, in an unlacquered polished brass finish for cabinets.

Solid brass Oval Knob, standard size, in an unlacquered polished brass finish for cabinets.

Exclusive deal available

PipePulse

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 26 Inch)

$122.27

Hidden Granite Countertop L Bracket

Highlights

Description

Specifications

Reviews4.8(237)

Delivery & Returns

Iron Supports

You might also like

Hidden Island Countertop Bracket

Hidden Center Mount Countertop Bracket - Double-Sided Knee Wall Support

HD Front Mount Bench Bracket

Aksel MD Floating Shelf Bracket

Victorian Iron Corbel 1.5-Inch Wide

EZ-Level

The Original™ Bridge Bracket

The Original™ Custom Support Brackets

The Original™ Contractor Utility Bracket

Woodland Branch Iron Corbel 2-Inch Wide

Studly Utility Bracket

Cooper Iron Corbel 2-Inch Wide

Concrete Countertop Solutions

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 30 Inch)

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Raw 28 Inch)

Hidden Granite Countertop Flat Bracket

Universal Heavy Duty Commercial Support Bracket

Shelfology

Aksel XD Single Rod Floating Shelf Bracket

Stout Iron Corbel 1.5-Inch Wide

The Original™ Side Wall Free Hanging Shelf Bracket in Industrial, Aluminum or American Made Steel

The Original™ Regular Shelf Bracket

The Original™ Floating Vanity Bracket®

Willow Iron Corbel 2-Inch Wide

Willow Metal Shelf Bracket

The Closet Rod Company

Charlotte Iron Corbel 1.5-Inch Wide

The Original™ Post Bracket

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 36 Inch)

Eclipse Iron Corbel 1.5-Inch Wide

Docking Drawer

Hidden Floating Bench Bracket

Metal Farmhouse Shelf Bracket

Glenn HD Floating Mantel Bracket

Willow Iron Countertop Corbel (single center brace)

CP-0503 - Pre-Catalyzed Powdered Urea Resin (Brown)

The Original™ Double Sided Island Support Bracket in Industrial, Aluminum or American Made Steel

Trudoor

The Original™ Regular Wood Shelf Bracket

Parsons Metal Shelf Bracket

Studly FM Utility Bracket

Charlotte Iron Corbel 2-Inch Wide

The Original™ T-Bracket Hidden Countertop Support Bracket

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 38 Inch)

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 24 Inch)

Standard Front Mount Countertop L Bracket

The Original Granite Bracket

Aksel HD Floating Shelf Bracket

HD Hidden Floating Vanity Bracket

Front Mount Bench Bracket

The Original™ T-Bracket Hidden Countertop Support Bracket

The Original™ Wall Cleat Countertop Support Bracket

Parsons Iron Corbel 2-Inch Wide

Murphy Door®

Drake Slimline Countertop Bracket (Black Primer)

Stout Iron Corbel 3-Inch Wide

ADA Toe Kick (EZ Kick) Sold as a Pair

IRONSUPPORTS.COM Iron Supports Hidden Island Countertop Support Bracket - Heavy Duty Brackets for Granite Countertops Steel Kitchen (Matte Black 26 Inch)

MDF Radius Corners, L Corner (accepts 3/4" plywood), 4" Radius, 5 11/16"W x 1 7/8"D x 97"L

Metal Farmhouse Shelf Bracket With Lip

HD Front Mount Countertop L Bracket

The Original™ Knee Wall Hidden Countertop Support Bracket in Industrial, Aluminum or American Made Steel

Aksel XD Floating Shelf Bracket

Star Hanger Systems

15 amp Blade Duo In Drawer Outlet

The Original™ Flat Wall Countertop Support Bracket in Industrial, Aluminum or American Made Steel

The Original™ Shower Bench Bracket®

Industrial 1 inch Free Hanging Shelf Bracket®

Willow Iron Corbel 1.5-Inch Wide

Drake Slimline Countertop Bracket (Powder Coated)

Freeman Iron Corbel 2-Inch Wide

Concept Hardware