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Split washer or spring lock washer A ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the fastener's head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to ...
Although bolt-action guns are usually associated with fixed or detachable box magazines, in fact, the first general-issue military breechloader was a single-shot bolt action: the paper-cartridge Prussian needle gun of 1841. France countered in 1866 with its superior Chassepot rifle, also a paper-cartridge bolt
A turn bolt refers to a firearm component where the whole bolt without using a bolt carrier turns to lock/unlock. This is mostly used to describe manually operated bolt action firearms, but also on some automatic firearms. The most common locking mechanism on rifles is a rotating bolt, which can be classified as a rigid type of bolt lock. Semi ...
The Blaser R8 straight-pull bolt action locks by a 14-lug radial collet in a 360 degrees groove in the barrel and is designed to withstand pressures significantly exceeding the Mauser 98–type bolt-action rifles. The bolt is symmetric and self-centering, providing a basis for increased accuracy. The Blaser R8 displays a locking surface of 96 ...
Marlin Model 1897, lever action repeater, the precursor of the Model 39 and 39A; Marlin Model 25M, .22 WMR bolt-action rifle; Marlin Model 25MG, .22 WMR, smooth bore, bolt-action shotgun. It was designed and marketed as a "Garden Gun" Marlin Model 25N, now the Model 925, a .22 Short, .22 Long, and .22 Long Rifle bolt-action rifle
IOF .30-06 sporting rifle.30-06 Springfield: 2007 India: IOF .315 sporting rifle: 8mm BSA (8x50mmR Mannlicher) 1956 India: Ishapore 2A1 rifle: 7.62x51mm NATO: 1962 India: Jungle carbine.303 British: 1944 United Kingdom: K31: 7.5×55mm Swiss: 1933 Switzerland: Karabiner 98k: 7.92×57mm Mauser: 1935 Nazi Germany: Krag–Jørgensen: 6.5×55mm.30 ...
A positive locking device is a device used in conjunction with a fastener in order to positively lock the fastener. This means that the fastener cannot work loose from vibrations. The following is a list of positive locking devices: [1] A split beam nut; A castellated nut and a split pin; A hex nut or cap screw and a tab washer
A car hub showing a castellated nut cover and split pin (near center) Split pins are frequently used to secure other fasteners, e.g. clevis pins, or to secure a castellated nut, [6] or, infrequently, as a low-tech shear pin. Split pins are cheaper but less reusable than linchpins, and provide less strength but easier to install/remove than ...