stantsist välja surutud üleliigne metall kraadiga vormstantsimisel eelvaos või lõppvaos (vt kraadiga vormstantsimine; eelvagu, lõppvagu), metal excess of that required to completely fill the blocking or finishing forging impression of a set of dies; flash extends out from the body of forging as a thin plate at the line where the dies meet and is subsequently removed by trimming (see: closed-die forging, blocking impression, finishing impression)