A pyrotechnic separation bolt is a bolt designed to fracture at a specific, pre-determined separation point at precisely the right time. The bolt will experience intentional mechanical failure resulting in the planned separation and with contained debris output. Separation bolts are activated by pyrotechnic inputs, such as initiators or pressure cartridges.
A pyrotechnic cable cutter uses a blade and anvil to sever the toughest of cables or wires with precision on command. They are designed to cut both solid and multiple stranded wire within 20 milliseconds of initiation. One variant of this device severs a solid 0.033” diameter stainless steel spring wire in less than 20 milliseconds.