
Eight Pieces 4040 Aluminum Extrusion Corner Brackets For 40 Series Frames, 3 Way Tri End Cap Connectors With Screws, Compatible With 40/40 And 4080 TV Slot Black Aluminum Profile Fittings, Zinc Alloy Construction
Eight Pieces 4040 Aluminum Extrusion Corner Brackets For 40 Series Frames, 3 Way Tri End Cap Connectors With Screws, Compatible With 40/40 And 4080 TV Slot Black Aluminum Profile Fittings, Zinc Alloy Construction
Original: $61.71
-65%$61.71
$21.60The Story
✔️ 8-piece zinc alloy 4040 corner brackets with screws
These 4040 aluminum corner connectors are designed to join 40 series profiles at 90 degrees, delivering strong, stable frames for DIY builds, CNC machines, 3D printers, robotics bases, and light industrial structures.
✅ Eight 40x40 mm corner brackets for 40 series profiles
✅ Zinc alloy construction for durability
✅ 8 screw holes for extra security
✅ Includes 66 screws and a wrench
✅ Fits 40x40 mm extrusion and 4080 TV slot systems
✅ Black finish blends with most setups
💡 What is a handy use for 40 series aluminum corner brackets in frames?
They provide sturdy, right-angle connections for DIY frames, machine bases, and enclosures.
- For 40x40 profiles, they ensure consistent 90-degree joins - Quick assembly with included screws and wrench - Works across major 40 series brands for flexible setups - Ideal for CNC frames, 3D printers, and robotics projects
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.

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.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ 8-piece zinc alloy 4040 corner brackets with screws
These 4040 aluminum corner connectors are designed to join 40 series profiles at 90 degrees, delivering strong, stable frames for DIY builds, CNC machines, 3D printers, robotics bases, and light industrial structures.
✅ Eight 40x40 mm corner brackets for 40 series profiles
✅ Zinc alloy construction for durability
✅ 8 screw holes for extra security
✅ Includes 66 screws and a wrench
✅ Fits 40x40 mm extrusion and 4080 TV slot systems
✅ Black finish blends with most setups
💡 What is a handy use for 40 series aluminum corner brackets in frames?
They provide sturdy, right-angle connections for DIY frames, machine bases, and enclosures.
- For 40x40 profiles, they ensure consistent 90-degree joins - Quick assembly with included screws and wrench - Works across major 40 series brands for flexible setups - Ideal for CNC frames, 3D printers, and robotics projects






















