Roll In Spring Loaded T Nuts M3 X 0.5mm 100 Pack Carbon Steel Nickel Plated For 20x20 Aluminum Extrusions And 20 Series Great Replacement Tiny Nuts For 3D Printer Frames And CNC Builds

Spring-Loaded M3 T-Nuts for 20x20 Extrusions, 100-Pack
✔️ M3-0.5mm thread; 13mm L x 8.1mm W x 4.2mm H; nickel plated; 100 pcs

These roll-in spring-loaded T-nuts fit 20x20 aluminum extrusions in the 20 series and are great for DIY frames, 3D printers, CNC builds, and workshop fixtures. The spring-loaded ball keeps the nut in place when you remove a screw, even on vertical surfaces, and the included storage box helps you stay organized.

✅ Thread Size: M3-0.5mm
✅ Total Length: 13mm (0.51"), Width: 8.1mm (0.31"), Height: 4.2mm (0.16")
✅ Material & Finish: Carbon steel with nickel plating
✅ Package Content: 100 pcs for 20x20 extrusion with 6mm slots
✅ Color: Silver; Spring-loaded design keeps nut secured during vertical assembly

💡 What is a roll-in spring-loaded T-nut used for in aluminum extrusion systems?

These handy fasteners are designed to simplify mounting and upgrades on 20x20 extrusions and 20-series profiles. They provide quick, secure attachment points for brackets and accessories.

- They stay in place when screws are removed, thanks to the spring-loaded ball - They work with M3 screws for sturdy, durable fixtures - They’re great for DIY projects and professional builds