BEAM FASTENER 1/8-1/4" FLANGE TO 1/4"-20X3/8" STUD

Hammer-On Flange Clip, Bottom Mount with Stud

Can be used to support boxes, fixtures or other applications from beam
flanges
Captive threaded stud minimizes the need for additional hardware
Assorted attachment points provided to reduce inventory
Requires only a hammer to install