8020, 3381, 10 Series 1/4-20 Standard End Fastener and Screw Hardware Combo - T Slot Accessories for Aluminum Extrusion - 90 Degree Joint HW 80/20 (15 Pack)

Provides a clean, hidden method of connecting closed-sided and quarter-round profiles at 90° without the use of joining plates. The winged tabs prevent the mating profile from rotating. A centerhole tap is required on the mounting profile and the mating profile requires an Access Hole to gain access to the screw head of the end fastener. 1/4-20 BHSCS included for mounting to profile end.