1/4-20 End Fastener And Screw Hardware Combo For Aluminum Extrusion T Slot 90 Degree Joint Connector Kit With Button Head Bolt And Double Wing Clip Hidden Mounting Hardware 15 Pack

Hidden 90° End Fastener Kit for 8020 Aluminum Profiles
✔️ 15-pack includes 1/4-20 button head bolt and double wing clip

This kit provides a clean, hidden right-angle connection using a 1/4-20 button head socket cap bolt and a double wing clip. It’s designed to join two 1.0 inch T-slot aluminum extrusions at a 90-degree angle, a common setup for 8020 style frames such as machine enclosures, workstations, and light industrial frames. Note: two machining steps are required: an end tap in the mounting profile and an access hole in the mating profile to reach the screw head.

✅ 1/4-20 thread with button head socket cap bolt included
✅ Double wing clip prevents rotation of mating profile
✅ Hidden 90-degree connection for clean exterior appearance
✅ Requires end tap and access hole machining steps
✅ Pack of 15 for multiple joints

💡 What is a hidden 90 degree end fastener used for in aluminum extrusion builds?

This handy connector gives a clean, unseen joint for sturdy frames.

- Ideal for CNC machine frames, 3D printers, and robotics rigs

- Keeps joints hidden for a clean, professional look

- Requires end tap and access hole machining steps during setup