20 Pieces 5/16-18 Hammer Head T Nut For T Slot Track Galvanized Carbon Steel Sliding Nuts For Aluminum Extrusion 15 Series 4040 1.5 Inch Base Heavy Duty Black

Heavy-Duty Hammer Head T-Slot Nuts for Aluminum Extrusion
✔️ 20 pcs, 5/16-18 UNC, galvanized steel, for 15 series/4040

These hammer head T-slot sliding nuts drop into aluminum extrusion tracks to secure frames, panels, and components. They’re commonly used with 15 series and 4040 profiles in DIY machines, 3D printers, and light automation projects.

✅ Material: carbon steel with galvanized coating for rust resistance
✅ Thread: 5/16-18 UNC standard
✅ Size: 0.69in x 0.62in x 0.24in (17.7mm x 15.8mm x 6.1mm)
✅ Fitment: suitable for 15 series and 4040 extrusions with 1.5in base
✅ Package: 20 pieces per pack
✅ Design: raised thread layer for added stability
✅ Applications: aluminum frame structures, 3D printers, robotics, CNC routers

💡 What is a T-slot sliding nut used for in 15 series aluminum extrusion systems? It's a handy fastener that makes attaching and repositioning parts quick and clean. - Handy for mounting brackets, fixtures, and guides to extrusion tracks - Simplifies assembly and adjustments during projects - Works with standard 5/16-18 UNC bolts in common extrusion profiles