Waterproof IP67 HDMI 2.0 Panel Mount Extension Cable -- DataPro
IP68 Waterproof Panel Mount HDMI High Speed Coupler -- DataPro
Panel mount HDMI Cable - 40 cm | The Pi Hut
Amazon.com: ICESPRING HDMI Panel Flush Mount Cable - 1 Meter 3ft HDMI Extension Dash Flush Panel Mount Cable for Car, Boat and Motorcycle : Electronics
HDMI Female to HDMI Female Adapter with Panel Mount Screw Hole
CLIFF HDMI Panel Mount Connector Black | Connectors | Data | Argosy
HDMI Male to Panel Mounting HDMI Female Cable 1ft - Simply NUC
Snap-In Panel Mount HDMI Cable - 30cm : ID 4054 : $7.95 : Adafruit Industries, Unique & fun DIY electronics and kits