Bolt may refer to: Bolt (surname) Fasteners A cap screw, as used in a bolted joint Screw, a cylindrical threaded fastener Deadbolt, a kind of locking mechanism Bolt (climbing), an anchor point used in rock climbing Weaponry Bolt (firearm), a mechanism used in firearms Quarrel, ammunition used in a crossbow Comics Bolt (DC Comics), a supervillain in the DC Comics universe Chris Bradley, a mutant in the Marvel Comics universe Starbolt, a member of the Shi'ar Imperial Guard in the Marve… (More on Bolt)