Fifteen 1/4-20 Spring-Loaded T-Nuts for 4040/Slot8
✔️ 15 pcs box; 1/4-20 thread; zinc plated carbon steel; ball spring

These spring-loaded T-nuts are engineered to work with 4040 Series and Slot 8 aluminum extrusions, making it easy to assemble strong frames, CNC enclosures, and workbenches. The integration of ball bearings and a spring mechanism enables quick, precise insertion and secure locking in extrusion channels.

✅ Thread size: 1/4-20
✅ Material: carbon steel with silver zinc plating
✅ Spring-loaded with ball bearings for quick, secure locking
✅ Compatibility: 4040 Series and Slot 8 aluminum extrusions
✅ Pack: 15 pieces in a plastic box

Dimension	Value
Length	21 mm (0.83")
Bottom width	8 mm (0.32")
Overall width	13.3 mm (0.52")
Thread	1/4"-20

💡 What is a spring-loaded T-nut with ball bearings used for in aluminum extrusion systems? This handy fastener speeds up frame assembly by snapping into channels and locking bolts securely. - Increases install speed by auto-locking into channels - Keeps bolts aligned for rugged machinery frames - Compatible with standard 1/4-20 bolts and common accessories - Ideal for DIY builds, CNC frames, and modular workstations