A square-section form stake
A driven square-section stake for temporary concrete form retention.

Stakes & pins
Square Stakes are driven square-section stakes for temporary formwork and site positioning. The square profile prevents board rotation in soft or loose ground.
At a glance
A driven square-section stake for temporary concrete form retention.
The square section sits beside the board while the point enters the ground, preventing rotation.
Square section 5/8 x 5/8 or 3/4 x 3/4 inch; lengths from 12 to 56 inches; solid or holed, pointed or spade end; plain or coated finish.
Also known as
Square Stakes are sold as square nail stakes or square steel stakes in the US and as formwork stakes in Australia and New Zealand.
Set the stake beside the board and drive the point into the ground. The square cross-section resists rotation and maintains board alignment during the pour.
Choosing between
All four hold a form board in line beside a pour. The section profile decides how the stake sits against the board and holds in the ground.
Common applications
The square section prevents board spin in soft or unstable ground conditions.
Holds temporary edge forms firmly at slab and footing perimeters.
Resists lateral movement and maintains form geometry during setup and concrete placement.
Questions answered
The square profile resists rotation in soft soil at slab, footing and flatwork edges. Round, Flat / C-mouth and Rebar Stakes provide alternative profiles for different ground and board conditions.
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Concrete & Construction