40 Series T-Slot Aluminium Extrusion Profile – HOONLY Aluminium Profile
Cast aluminum t-slot plate 4040, $ 552.00
40-4040-UL 40mm x 40mm Very Light 8mm T-slot
Amazon.com: 4040 Series M8 T Slot Nuts Roll-in Spring Ball Loaded Elastic Nuts Carbon Steel for 4040 Series Aluminum Extrusion Profile Rail with 8mm Slot for 3D Printer(20Pcs) : Industrial & Scientific
Amazon.com: 80/20 Inc., 40-4040, 40 Series 40mm x 40mm Extrusion x 610mm : Industrial & Scientific
20-4040 | 40mm X 40mm T-Slotted Profile - Eight Open T-Slots
4PCS T Slot 4040 Aluminum Extrusion Profile 19.7'',European Standard Anodized Linear Rail for 3D Printer Parts and CNC DIY 500mm Black(19.7inch): Amazon.com: Industrial & Scientific