Pallet types

Pallets come in two builds, stringer and block, and two entry types, two-way and four-way. A stringer pallet lifts from two sides unless its stringers are notched; a block pallet can be lifted from all four. This page sorts them out and links each build.

Block against stringer

Stringer palletBlock pallet
FrameThree or more parallel timbers, called stringersBlocks, with parallel and perpendicular stringers
Forks enterTwo sides; four if the stringers are notchedAny side
Typical weightLighterUsually heavier and more durable
RepairReplace boards, add a companion stringerReplace boards, replace a block
More on itStringer palletsBlock pallets

Frame descriptions follow the Wikipedia pallet article.

Two-way and four-way entry

Entry is the question of where a forklift or pallet jack can go in. Two-way means two opposite sides. Four-way means all four. Block pallets are four-way by design. A stringer pallet is two-way unless the stringers are notched, as in the fork-pocket profile on our logo; then it can be lifted from the sides as well.

The practical difference is the dock. A narrow aisle or a tight alley rewards four-way. A dock that only ever approaches from the front does not care. Two-way and four-way pallets goes through it in more detail.

Heat-treated is a treatment, not a type

HT is not a pallet type. It is a treatment applied to the wood so the pallet can cross a border. Any of the builds above can be heat treated and stamped. See heat-treated pallets.

What to tell us

  • The type you hold or want, if you know it. If you do not, say how the forks enter.
  • The size. See pallet sizes.
  • The grade. See pallet grades.
  • Whether you sell or buy, and how many.

Weights, loads and the stamp on the side

FigureReference valueSource
Standard wood GMA pallet, empty33 to 49 lbInterlake Mecalux
Reinforced wood pallet, empty55 to 66 lbInterlake Mecalux
Dynamic load2,000 to 2,800 lbInterlake Mecalux
Static load2,500 to 4,600 lbInterlake Mecalux
Metal pallets, share of the marketUnder 1%Wikipedia

How the market describes a pallet in shorthand

Dealers compress a description into a few words: “48x40 GMA, four-way notched, B grade, HT”. Each part tells you something. The size is 48 by 40 inches, the build is a stringer with notches, the grade is B and the pallet carries the heat-treatment stamp. If a seller cannot give you the shorthand, ask for the parts.

How to choose

Pick by the load and by the equipment. A heavy or racked load wants a block pallet. A light flow of one-way freight is fine on a stringer pallet. If forks must enter from all sides, you want four-way entry. Say what your load and your equipment are, and the right build follows.

The three pages

In this section

Questions

What is the difference between a block pallet and a stringer pallet?
A stringer pallet is built on parallel timbers and lifts from two sides unless notched. A block pallet sits on blocks and can be lifted from all four sides.
Which is stronger?
Block pallets are usually heavier and more durable. Strength depends on the build and the condition of the wood, not the name alone.
How much does a pallet weigh?
A standard wood GMA pallet weighs 33 to 49 lb empty; reinforced ones weigh 55 to 66 lb.

Related

Sources