Durable 1045 Steel Ball Spring T Nut Roll In With Zinc Finish For One Quarter Twenty Thread Fits Fifteen Series And Forty Series Aluminum Extrusion Profiles Eight Millimeter T Slot Pack Of Twenty Nuts

Durable 1045 steel ball spring T-nut for 8mm T-slot
✔️ 1/4-20 thread, 8mm T-slot, fits 15 & 40 series, 20 pcs

These roll-in ball spring T-nuts are designed for 8mm T-slot aluminum extrusions, specifically 15 Series and 40 Series profiles. They provide a secure mounting point for joining plates, corner brackets, and other accessories in industrial frames, 3D printers, CNC machines, robotics projects, and more.

✅ Material: 1045 steel with zinc finish (rust-proof)
✅ Dimensions: 0.866 in x 0.520 in x 0.291 in (22.0 mm x 13.2 mm x 7.4 mm)
✅ Thread: 1/4-20; fits 8mm T-slot 15/40 series
✅ Pack: 20 nuts

💡 What is an 8mm T-slot nut used for in aluminum extrusion builds?

They’re handy for quick, secure mounting in modular frames.

- Attaching joining plates, corner brackets, and accessories to 15/40 series extrusions
- Works with 1/4-20 bolts and 8mm T-slot for solid, repeatable assemblies
- Ideal for quick changes in CNC routers, 3D printers, robotics projects