Hand (Wheel) Jack Opening – Space provided in the bottom deck to allow pallet jack wheels to bear on the floor

Handling – A single pick-up, movement and set-down of a loaded or empty pallet

Hardened-Steel Nail – Heat-treated and tempered steel pallet nail with a MIBANT angle between 8 and 28 degrees

Hardwood – Wood from broad-leaved species of trees (not necessarily hard or dense)

Helical Nail – Helically (continuous spiral) threaded pallet nail, see also Drive Screw Nail