tegenstaal
Tegenstaal is a Dutch term that literally translates to “counter steel” and is used in industrial and engineering contexts to denote a steel component that functions as a counterparty or opposing surface in a mating pair. The word combines tegen- (against, counter) with staal (steel).
In practice, een tegenstaal is typically a hardened steel plate or block placed opposite a punch, die,
Other contexts include use in fixtures or jigs, where a tegenstaal may serve as a backing or
See also: counterplate, die, punch, anvil, tool steel, wear plate.