Holdfast (artillery)

For other uses, see Holdfast (disambiguation).

A holdfast or hold fast is a means by which artillery is fixed firmly to the ground.

A concrete holdfast with a ring of 10 bolts at Landguard Fort, Felixstowe, England

One type of holdfast is a concrete base or plinth that a gun is bolted to.^[1] These were used, for example, to secure coastal battery guns in pillboxes during World War II.