1/4-20 x 3 Inch Hanger Bolts, 12 Pcs Self-Tapping Screw Hanger Bolts Double H…
12 Pcs Double Headed Hanger Bolts. Thread size: 1/4-20 in, length: 3 in. Easy to install: The self-tapping design makes installation easier and faster, the double-headed bolts are smooth and burr-free, and easy to tighten.