Machine screws are threaded fasteners that are typically used with nuts or drilled and tapped (threaded) holes.;It is used for T-slot aluminum extrusions to connect other parts.;Suitable for 20 Series European standard aluminum profile extrusion slot.

• CNBTR Carbon Steel Drop In T-Nut M4 Thread for 20 Series European Aluminum Slot
• M4

CNBTR Carbon Steel Drop In T-Nut M4 Thread for 20 Series European Aluminum Slotyqltd