Package content: 10pcs 20mm 90deg aluminum extrusion corner bracket, 20pcs carbon steel galvanized M5 t-slot nuts, 20pcs black M5x10mm hex screw bolt, 20pcs M5 washer, 1pc wrench. 20 extruded aluminum corner bracket used to connect pieces of 20mm aluminum extrusion at a 90 degree angle suitable for most of metric 20 series aluminum profile extrusion. Carbon steel hex socket button head bolts screws nuts surface chrome finish Anti-corrosion,rustless,non-pollution. T-Slot aluminum extrusion M5x10mm hardware slide in t-nuts made from high quality carbon steel galvanized. 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
Package Content:

10Pcs 20mm 90 Degree Aluminum Extrusion Corner Bracket, 20×28×28mm (0.78″x1.1″x1.1″).

20Pcs Carbon Steel Galvanized M5 T-Slot Slide Nuts.

20Pcs Black M5 x 10mm Hex Socket Cap Screw Bolt.

20Pcs Black M5 Washer.

1 Piece M5 Wrench.