
Heavy Duty Inside Corner Bracket Gusset for 4040 Aluminum Extrusion, 40x40mm, 4 Pack Black, Built Tough for DIY Furniture and Cabinet Reinforcement on Tables, Shelves, Racks, and Outdoor Projects
Heavy Duty Inside Corner Bracket Gusset for 4040 Aluminum Extrusion, 40x40mm, 4 Pack Black, Built Tough for DIY Furniture and Cabinet Reinforcement on Tables, Shelves, Racks, and Outdoor Projects
The Story
✔️ Heavy-duty aluminum alloy, black finish, 4-piece set, 40x40mm
These 4040 aluminum bracket gussets reinforce right-angle joints in DIY furniture, cabinetry, and outdoor frames, offering durable support for tables, shelves, racks, and more.
✅ Size: 1.57 L x 1.38 W x 1.57 H (40mm x 35mm x 40mm)
✅ Material: aluminum alloy for rust resistance, high hardness, long life
✅ Fit: designed for 4040 aluminum extrusion with 8mm slots
✅ Pack: 4 pieces per set
✅ Color: black powder coat for weather resistance
💡 What is a corner bracket used for in furniture and DIY projects with aluminum extrusion?
Corner brackets are handy for strengthening joints and keeping frames square across a wide range of builds.
- Strengthen right angle joints on tables, shelves, and cabinets
- Compatible with 4040 aluminum extrusion and 8mm slots
- Install quickly with common screws for sturdy frames

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ Heavy-duty aluminum alloy, black finish, 4-piece set, 40x40mm
These 4040 aluminum bracket gussets reinforce right-angle joints in DIY furniture, cabinetry, and outdoor frames, offering durable support for tables, shelves, racks, and more.
✅ Size: 1.57 L x 1.38 W x 1.57 H (40mm x 35mm x 40mm)
✅ Material: aluminum alloy for rust resistance, high hardness, long life
✅ Fit: designed for 4040 aluminum extrusion with 8mm slots
✅ Pack: 4 pieces per set
✅ Color: black powder coat for weather resistance
💡 What is a corner bracket used for in furniture and DIY projects with aluminum extrusion?
Corner brackets are handy for strengthening joints and keeping frames square across a wide range of builds.
- Strengthen right angle joints on tables, shelves, and cabinets
- Compatible with 4040 aluminum extrusion and 8mm slots
- Install quickly with common screws for sturdy frames























