slow SKY32813 INSTALLATION 6-Inch Heavy Duty Wall Mount Kit for TV Antenna Mast Assemble the bases of both Y-Mounts. Fasten the mounting brackets to the wall. [Me Use stud finder to locate studs. Align bracket mounts with studs and mark drilling locations Drill a 3/16” hole for each mounting S Crew. & Secure antenna mast to mounts using U-bolts and plates. Drill the small lag screw through the U-bolt plate and mast to prevent torsion. 0 § Ensure mounts and mast are secure.