50 Zinc Plated Hanger Bolts For Beer Tap Handle Display, Mount 3/8-16 X 1.5 Published by admin on December 24, 2023 2nd, screw hanger bolt into the piece you just drilled leaving the hanger bolt sticking up 3/8″- 1/2″. The wood display is a fun bourbon barrel display I made using these hanger bolts, so they are for illustration purposes only!