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Similar to a wood screw, except that it is generally much larger running to lengths up to 15 in (381 mm) with diameters from 0.25–0.5 in (6.35–12.70 mm) in commonly available (hardware store) sizes (not counting larger mining and civil engineering lags and lag bolts) and it generally has a hexagonal drive head. Lag bolts are designed for ...
The hex head is used to drive the bolt into the countersunk hole, then either a wrench or hammer is used to break the shank and hex head from the flat head, or it is driven until the driving head shears off. Either method leaves only a smooth bolt head exposed. This type of bolt is commonly used with prison door locks, automobile ignition ...
The bolt also has a cartridge casing extractor, while the ejector is located inside the trigger housing (the ejector is lifted by a spring in the front of the trigger housing. The recoiling bolt carrier pushes the rear of the ejector down insuring the ejector is lifted into place to insure ejection is timed properly).
The Mauser system is stronger than that of the Lee–Enfield system, due to two locking lugs just behind the bolt head, which make it better able to handle higher-pressure cartridges (i.e. magnum cartridges). The 9.3×64mm Brenneke and 8×68mm S magnum rifle cartridge "families" were designed for the Mauser M 98 bolt-action.
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