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A screw extractor held in a tap wrench. A screw extractor is a tool for removing broken or seized screws. There are two types: one has a spiral flute structure, commonly called an easy out after the trademarked name EZ-Out; [clarification needed] the other has a straight flute structure. [1]
Extractors are also found on revolvers, removing cases either in succession (as in a fixed-cylinder single-action revolver) or simultaneously (as in a double-action revolver with a swing-out or top-break cylinder). For rimmed cases, the protruded rim serves as the grabbing point from which the extractor works. For rimless cases, the groove at ...
A slamfire is a premature, unintended discharge of a firearm that occurs as a round is being loaded into the chamber, when the bolt "slams" forward (hence the name), as a result of the firing pin having not been retracted into the bolt, or from the firing pin being carried forward by the momentum of returning to battery. Similar to a hammer ...
Screw extractors are essentially left-hand bits of specialized shape, used to remove common right-hand screws whose heads are broken or too damaged to allow a screwdriver tip to engage, making use of a screwdriver impossible. The extractor is pressed against the damaged head and rotated counter-clockwise and will tend to jam in the damaged head ...
Open bolt: Open-bolt weapons have the bolt to the rear of the receiver when ready to fire. This means that when the trigger is pulled the bolt moves forward, feeds a cartridge into the chamber and fires that cartridge in one movement. Open sight: A type of iron sight that has an open notch. Open Tip Match: A type of bullet. The open tip design ...
Extractor may refer to: Extractor (firearms) Extractor (mathematics) Extractor (screws), a tool used to remove broken screws; Randomness extractor; Soxhlet extractor;