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40PCS L Bracket Corner Brace Sets, Stainless Steel Corner Brackets, 90 Degree Right Angle Bracket, Metal L Brackets for Shelves Wood Furniture Cabinet Chair Drawer with 80PCS Screws, Black (20mmx20mm)

40PCS L Bracket Corner Brace Sets, Stainless Steel Corner Brackets, 90 Degree Right Angle Bracket, Metal L Brackets for Shelves Wood Furniture Cabinet Chair Drawer with 80PCS Screws, Black (20mmx20mm)

Q: Are the edges of these brackets smooth?

The quality of these brackets exceeded my expectations, sturdy construction, smooth and burr-free, and the included screws are of excellent quality. Perfect fit to my cabinet corner braces. very easy to install. Would recommend, and buy again.

Q: I'm afraid to use the screws that come with these brackets. What size did you use to replace them - #6, #7, #8?

The screws were just the right depth and had no problems going into the holes I center-punched. The head of the screw sinks flush with the surface of the L-bracket so you end up with a flat surface area. Overall a good shopping experience. Would come back again if needed.

Q: How many of these would I need to brace the corners of a bed platform?

I have no idea without seeing the platform. I will say that I made a table with 4x4" legs (4 legs) and put two braces per side of the 4x4s. That's 8 braces per leg. I wanted the screws to bite in deeper, so I bought longer screws to anchor the braces. I'm able to sit on it and bounce around without the table shaking at all.

Q: Can these be used on an aluminum extustion greenhouse?

I'm sure the bracket would satisfy your needs, however I'm not a fastening expert, but your might consider replacing the fastening hardware / or verifying the provided screws will properly secure it to your aluminum structure.

Product ID: 508141639

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Details

Colour
Black
Brand
SEANSDA
Material
Stainless
Item dimensions L x W x H
25 x 25 x 13
Item weight
0.29 Kilograms

📐Precision 90° angle for perfect corner support

🔩40PCS brackets + 80 screws for versatile DIY

🛠️Premium stainless steel, rust-proof & durable

Description

🛠️ Elevate your space with precision and style—because your furniture deserves the best corner support!

SLEEK MINIMALIST DESIGN - Compact 20x20mm size with smooth edges blends seamlessly into any modern or classic interior aesthetic.
ALL IN ONE DIY POWER PACK - 40 black L brackets paired with 80 self-tapping screws—ready to tackle any furniture fix or build.
BUILT TO LAST DESIGNED TO IMPRESS - Crafted from high-grade stainless steel with a sleek black finish that resists rust and wear, ensuring longevity and style.
STABILIZE REINFORCE WITH CONFIDENCE - Perfect for strengthening shelves, cabinets, drawers, and more—turn shaky furniture into sturdy statement pieces.
EFFORTLESS INSTALLATION PROFESSIONAL RESULTS - Deep-thread screws and countersunk holes guarantee a secure, flush fit that looks clean and holds tight.

This 40-piece set of black stainless steel L brackets includes 40 corner braces and 80 self-tapping screws, each bracket measuring 20x20mm with a 90-degree angle. Engineered for durability and rust resistance, these brackets provide strong, stable reinforcement for a wide range of wood furniture and cabinetry projects. Easy to install with countersunk holes and deep-thread screws, they offer a sleek, professional finish that enhances both function and form.

Specifications

Finish type	Black
Item depth	0.63 inches
Mounting type	Corner Mount
Manufacturer	SEANSDA
UPC	664832215836
Part Number	Soportes para Estantes
Product Dimensions	2.54 x 2.54 x 1.27 cm; 290 g
Item model number	Soportes para Estantes
Size	20 mm
Finish	Black
Batteries Required?	No
Item Weight	290 g

Have a Question? See What Others Asked

Are the edges of these brackets smooth?

I'm afraid to use the screws that come with these brackets. What size did you use to replace them - #6, #7, #8?

How many of these would I need to brace the corners of a bed platform?

Can these be used on an aluminum extustion greenhouse?

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Good experience, but the tracking updates could be better.

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