12 Pack 8Mm M8 Tee Slot Nuts For 40 Series Aluminum Extrusions 4040 Slide In Pre Assembly Heavy Duty Carbon Steel Construction For Secure CNC Router Build And 3D Printer Rails

M8 Tee Slot Nuts for 40 Series Aluminum Extrusions - 12 Pack
✔️ 20x20x10mm, 8mm slot width, M8 thread, pre-installed 12 pcs

These are pre-assembled M8 Tee Slot Nuts designed to slide into the 8mm channels of 40-series aluminum extrusions (like 4040 profiles) and provide secure mounting points for rails, brackets, and fixtures in machine frames. They’re ideal for DIY CNC routers, 3D printer frames, laser cutters, and robotics projects.

✅ Pack quantity: 12 pcs
✅ Material: carbon steel with moisture, oxidation, and corrosion resistance
✅ Dimensions: 20 x 20 x 10 mm (L x W x T); slot width 8 mm
✅ Thread: M8
✅ Pre-installed in 40mm series aluminum profile
✅ Suitable for CNC routers, 3D printers, laser cutters, robotics

💡 What is an M8 Tee Slot Nut used for in 40-series aluminum extrusion systems and why is it handy for CNC and 3D printer builds? This handy hardware helps secure rails, brackets, and fixtures in machine frames.

• fits 8mm slots on 40-series extrusions
• pre-installed in 40mm profiles for quick assembly
• carbon steel with moisture and corrosion resistance
• supports secure mounting for CNC routers, 3D printers, robotics