4040 Series Aluminum Extrusion Corner Brackets - 10 Sets Black 90 Degree Angle Connectors for 8mm T-Slot, CNC/Robotics Frame Accessories

EASY & RELIABLE INSTALLATION WITH BALL-END HEX WRENCH : The included ball-end hex wrench enables angular tightening, streamlining installation in cramped spaces for greater convenience. The M6 spring T-nuts deliver a firm grip on the slot, stopping slippage and securing a sturdy connection within 40 Series aluminum extrusion profiles. | STURDY & CORROSION-RESISTANT BLACK COATING : Our black 4040 aluminum extrusion corner brackets are crafted from high-strength cast aluminum with a long-wearing black coated finish, delivering upgraded corrosion resistance, scratch resistance and a sleek matte appearance. The M6 spring T-nuts are made of premium carbon steel, and the hex screws are crafted from stainless steel with a black zinc coating, providing reliable rust-proof performance for long-term industrial and DIY applications. | VERSATILE APPLICATION SCOPE : Ideal for constructing industrial aluminum frame structures, 3D printers, CNC routers, laser engravers, robotics projects, machine guards and custom workstations. Fully compatible with all 40 Series aluminum extrusion profiles. | ALL-IN-ONE KIT FOR INDUSTRIAL USE : This kit comes with 10pcs black 4040 corner brackets, 20 pcs M6 spring T-nuts, 20 pcs M6 screws, 20 pcs M6 screws washer, 1 pc ball-end hex wrench and 1 pc hex wrench, supplying all essential components to firmly join 40mm aluminum extrusion profiles. Its suitable for both DIY projects and professional industrial setups. | ECO-FRIENDLY PACKAGING : We prioritize environmental sustainability this product is packaged with environmentally friendly, recyclable materials to help cut down on plastic waste and lessen the environmental footprint.