20Pcs 2020 Aluminum Extrusion Black Corner Bracket T Slot Inside L Shape Joint Angle Hardware Panel Mount Connector with Screws for 20 Series 20/20 2040 V Slot Extruded Aluminum Profile

Packed: 20pcs l joints brackets + 80pcs set screws + 1 wrench for set screw. | Material: zinc alloy, compared to aluminum alloy, it is less prone to fracturehas excellent features in high abrasion resistance, rust proof and stability. | Features: Larger in size than conventional brackets, with side lengths, and this is a 4-hole 20-series extruded bracket. Compared with the 2-hole bracket, it offers more stable fastening. in addition to fixing two profiles at a 90-degree angle, the M5 hole in the middle of the bracket can be used to support side panels, partitions, and baffles (screws for the baffles are not included). | Advantage: Concealed corner brace, the l corner bracket can be completely hidden in the slot of the aluminum extrusions. | 2020 series aluminum profile connector set widely used for building industrial aluminum frame structures, 3d printers, cnc routers, cnc laser cutters, robotics projects, 3d carvers, machine guards, workstations, etc.