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Type of firearm mechanism
Bolt action is a type of manual firearm action that is operated by directly manipulating the turn-bolt via a bolt handle, most commonly placed on the
Bolt_action
Type of fastener characterized by a thread wrapped around a cylinder core
tightened or released only by torquing a nut is a bolt. (Example: round head bolts, track bolts, plow bolts.) An externally threaded fastener that has thread
Screw
Headland on the south coast of Devon, England
Path between Hope Cove, Bolt Tail, Bolberry Down and Salcombe. RAF Bolt Head Bolt Tail Bolt Head, Hutchinson Encyclopedia. Bolt Head Airfield 50°12′40″N 3°47′16″W
Bolt_Head
Threaded fastener with an external male thread requiring a matching female thread
bolt - Bolt with a hexagonal head and threaded shank. Section immediately under head may be unthreaded for fastening thicker materials. J bolt - Bolt
Bolt_(fastener)
Protected area in Devon, England
Bolt Head to Bolt Tail is a Site of Special Scientific Interest (SSSI) along a section of the southern coastline of Devon, England that is within the
Bolt_Head_to_Bolt_Tail
Former air base in Salcombe, Devon, England
Royal Air Force Bolt Head or more simply RAF Bolt Head is a former Royal Air Force satellite station 1 mile (1.6 km) south west of Salcombe on the south
RAF_Bolt_Head
Method of locking used in firearms
using the bolt handle rather than lugs on the bolt head like the Mauser M 98 or M16. The first rotating bolt rifle with two lugs on the bolt head was the
Rotating_bolt
Mechanical joint secured by a threaded fastener
Typically, a bolt is tensioned (preloaded) by the application of a torque to either the bolt head or the nut. The applied torque causes the bolt to "climb"
Bolted_joint
Type of bolt
A carriage bolt (also called coach bolt and round-head square-neck bolt) is a type of bolt. It is also known as a cup head bolt in Australia and New Zealand
Carriage_bolt
General-purpose machine gun (HK21)
bolt carrier. The two-piece bolt assembly consists of a bolt head, which contains the aforementioned rollers, and a supporting locking piece and bolt
Heckler_&_Koch_HK21
Assault rifle developed by Heckler & Koch
two-piece bolt consisting of a bolt head with a pair of rollers and bolt carrier. Upon firing, the two cylindrical rollers in the bolt head are cammed
Heckler_&_Koch_HK33
Mechanical part of a firearm
A bolt is the part of a repeating, breechloading firearm that blocks the rear opening (breech) of the barrel chamber while the propellant burns, and moves
Bolt_(firearms)
Assault rifle produced by Heckler & Koch
pieces act in unison with the bolt head carrier. The G41 bolt assembly is lighter than the HK33 bolt assembly. The redesigned bolt was paired with a new recoil
Heckler_&_Koch_G41
Jamaican sprinter (born 1986)
Usain St. Leo Bolt (/ˈjuːseɪn/ YOO-sayn; born 21 August 1986) is a Jamaican retired sprinter. Widely regarded as the greatest sprinter of all time, he
Usain_Bolt
Topics referred to by the same term
Look up bolt or bolts in Wiktionary, the free dictionary. Bolt or bolts may refer to: Etymology: "to strike"; see for example Thunderbolt Bolt (fastener)
Bolt
Type of firearm action
the bolt head is driven rearward, rollers on the sides of the bolt are driven inward against a tapered bolt carrier extension. This forces the bolt carrier
Blowback_(firearms)
German battle rifle
blowback operating system. The two-piece bolt assembly consists of a breech (bolt head) and bolt carrier. The bolt is held in battery by two sliding cylindrical
Heckler_&_Koch_G3
General purpose machine gun
piece) of the bolt carrier and locking piece relative to the bolt head; the bolt carrier travels backwards considerably faster than the bolt head, ensuring
MG_45
Type of firearm action
rotating locking bolt, similar to that used in many gas-operated firearms. Before firing, the bolt body is separated from the locked bolt head by a stiff spring
Recoil_operation
German 9×19mm Parabellum submachine gun
rifle. The two-part bolt consists of a bolt head with rollers and a bolt carrier. The heavier bolt carrier lies up against the bolt head when the weapon is
Heckler_&_Koch_MP5
Device used for stunning animals before slaughter
A captive bolt pistol (also known as a captive bolt gun, a cattle gun, a stunbolt gun, a bolt gun, a stun gun and a stunner) is a device designed for
Captive_bolt_pistol
Light machine gun
certain parts. The heart of the operating system is the bolt assembly, which consists of a bolt head, locking piece and two cylindrical rollers, which upon
CETME_Ameli
German general-purpose machine gun
roller locked bolt mechanism that consists of the bolt head, a pair of rollers, the striker sleeve, bolt body and return spring. The bolt is locked securely
MG_3_machine_gun
"elevator head definition". myword.info. Huth, pp. 166–167. Colvin & Stanley 1914, p. 569. Plow bolts, retrieved 2008-12-25. The Meaning of "plow head, plow
List_of_screw_and_bolt_types
German assault rifle
the bolt-bounce problem. With these angles the geometrical transmission ratio of the bolt carrier to the bolt head became 3:1, so the rear bolt carrier
StG_45(M)
Connection element that transfers forces to concrete
and strongest – form of anchor bolt is cast-in-place, with its embedded end consisting of a standard hexagonal head bolt and washer, 90-bend, or some sort
Anchor_bolt
German general-purpose machine gun
similar. The roller-locked bolt assembly consists of a bolt head, two rollers, a striker sleeve featuring a wedge-shaped front, bolt body, and a large multi
MG_42
a countersunk flat-head bolt, with a thin shank and hex head protruding from the flat head. The hex head is used to drive the bolt into the countersunk
List_of_screw_drives
American noise rock band
Lightning Bolt is an American noise rock duo from Providence, Rhode Island, composed of Brian Chippendale on drums and vocals and Brian Gibson on bass
Lightning_Bolt_(band)
Town in Devon, England
Kingsbridge Estuary (actually a ria or drowned valley) lies between Bolt Head and Sharpitor on the west and Portlemouth Down on the east, and runs inland
Salcombe
solid bolt head and three bolt lugs. The bolt head was designed to be removable thus allowing the owner to vary the head space by replacing the head. The
Angel_Rifles
Semi-automatic rifle
magazines. Doing so requires that the single-lug SL8 bolt head is replaced with a double-lug G36 bolt head, the magazine well is replaced, and the receiver
Heckler_&_Koch_SL8
Straight pull bolt-action rifle
straight-pull bolt action, as opposed to the more common rotating bolt-handle of other rifles. It combines a two lug rotating bolt head, similar in construction
Mannlicher_M1895
Type of fastener with a threaded hole
(nyloc nut), or slightly oval-shaped threads. Square nuts, as well as bolt heads, were the first shape made and used to be the most common largely because
Nut_(hardware)
Tool used to provide grip and mechanical advantage
applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning. In the UK, Ireland, Australia, and New Zealand
Wrench
Swiss autocannon
positively locked breech and is gas and recoil-operated, with a rotating bolt head and a dual ammunition feeding system using 25×137 mm NATO ammunition.
Oerlikon_KBA
Assault rifle (SG-540, SG-543)
rotating bolt which features two heavy steel locking lugs. The bolt head is rotated by a control cam riding in a helical guide slot machined into the bolt carrier
SIG_SG_540
Submachine gun
the bolt head to accelerate the bolt carrier of an AR-15 pattern rifle. The bolt locking lugs are adapted to incorporate angles that rotate the bolt as
CMMG_MkG
2008 American Walt Disney animated film
Bolt is a 2008 American animated adventure comedy film produced by Walt Disney Animation Studios. It was directed by Chris Williams and Byron Howard, written
Bolt_(2008_film)
Firearms component that removes fired cartridges
with moving bolts, the extractor is often one or a set of hook-like flanges on the bolt head that grabs onto the casing's rim, so when the bolt moves rearwards
Extractor_(firearms)
ASTM standard
confusion, bolt head markings are unchanged and the designation A325 is retained as a grade name within the new standard. In 1951, A325 bolts were recognized
ASTM_A325
American rifle cartridge by Hornady
NATO, a new barrel, magazine and bolt are required to convert to the 6mm ARC. The 6mm ARC utilizes the same bolt head size as the 6.5mm Grendel, and 6
6mm_ARC
Bolt-action rifle
The Savage Model 110 is a bolt-action repeating rifle made by Savage Arms. It was designed in 1958 by Nicholas L. Brewer. It was patented in 1963 and has
Savage_Model_110
Anti-tank rifle
Becker principle of bolt head following the rebated rim cartridge base deep into the chamber. After firing, the case and the bolt could safely back off
Oerlikon_SSG36
Type of mating fastener
The sex bolt consists of a female (internally) threaded barrel (nut) and a male (externally) threaded screw. Both the barrel and screw have heads designed
Sex_bolt
Bolt-action rifle
action and bolt. Swing Mark 4 rifle left side of action. Swing Mark 4 rifle bolt. Swing Mark 4 rifle bolt disassembled. Swing mark 4 rifle bolt head. Swing
Swing_rifle
Precision rifle
.22 Long Rifle and .17 HMR consisting of a new magazine, barrel, bolt head and bolt catch insert. The rifle has a shorter overall length compare to more
Blaser_R93
Submachine Gun
the closed bolt position. The bolt is a two-piece unit with a pivoted lever interposed between bolt head and body. Upon firing, the bolt head retracts,
FNAB-43
Assault rifle
rotary bolt which locks with three radial lugs on the bolt head, similar to previous 9×39mm compact assault rifles, such as the VSK-94. The bolt carrier
Kalashnikov_Concern_AMB-17
Assault rifle
rotary bolt which locks with three radial lugs on the bolt head similar to historic 9×39mm compact assault rifles, such as the VSK-94. The bolt carrier
Kalashnikov_Concern_AM-17
Screw thread standard
is used in this section to denote either bolt head or nut. Whitworth and BSF spanner markings refer to the bolt diameter, rather than the distance across
British_Standard_Whitworth
Semi-automatic rifle
overcome the initial friction exerted by the "bolt head locking lever" anti-bounce mechanism that prevents the bolt from bouncing off the barrel's breech surface
Heckler_&_Koch_SL7
NATO modular weapon system
bolt head and barrel socket, reducing stress and increasing the longevity of these critical components. Attached to the piston extension is the bolt carrier
Stoner_63
Cadet rifle
impractical. The M1922M1 variant was introduced in 1925. This version had a new bolt head, an improved firing mechanism, modifications to the chambering, and a
Springfield_Model_1922
Bolt action rifle made by Winchester
The Winchester Model 70 is a bolt-action rifle. It has an iconic place in American sporting culture and has been held in high regard by shooters since
Winchester_Model_70
Driver for hexagonal socketed bolts or screws
hex wrench, Allen key, Allen wrench) is a simple driver for bolts or screws that have heads with internal hexagonal recesses (sockets). Hex keys are generally
Hex_key
American baseball coach and former shortstop
Will Bolt (born 1979) is an American baseball coach and former shortstop, who is the current head baseball coach at the Nebraska Cornhuskers. He played
Will_Bolt
Semi-automatic rifle
overcome the initial friction exerted by the "bolt head locking lever" anti-bounce mechanism that prevents the bolt from bouncing off the barrel's breech surface
Heckler_&_Koch_SL6
Firearm locking method
on the bolt head, so no amount of force pushing back on the bolt can cause the bolt to unlock. When chambering a fresh cartridge the bolt head is used
Roller_locked
Straight-pull rifle
conversion kit is also available. The .22 LR kit consists of a new barrel, bolt head and magazine insert. Aiming optics like telescopic sights mount on the
Blaser_R8
Wrench that can be adjusted to handle various sizes of fasteners
movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed
Adjustable_spanner
Assault rifle
firearm. The weapon features a semi-rigid two-piece bolt mechanism that consists of a bolt head and a supporting angular locking piece. During the "unlocking"
CETME_Model_L
Electric hatchback marketed by Chevrolet
2017-2023 Bolt EV are hatchbacks, while the 2021-2023 Bolt EUV and 2027 Bolt are slightly larger subcompact crossover SUVs. The first-generation Bolt was developed
Chevrolet_Bolt
American submachine gun
ahead of the bolt was made thicker and given a central hole to match the round extension of the bolt. This operation closed the bolt head during the last
M3_submachine_gun
American modular assault rifle
Koch MP5). The rifle's caliber could easily be changed by replacing the bolt head, magazine, and barrel. The ACR was originally named after the Siege of
Adaptive_Combat_Rifle
General-purpose machine gun
consists of a bolt head with two locking rollers, a striker sleeve and the bolt carrier which is connected telescopically with the bolt head. When a round
SIG_MG_710-3
Imperial Russian five-shot, bolt-action military rifle
The Mosin–Nagant is a five-shot, bolt-action, internal magazine–fed military rifle. Known officially as the 3-line rifle M1891, in Russia and the former
Mosin–Nagant
Headland on the south coast of Devon, England
above sea level. Bolt Tail marks the western end of a coastal walk through National Trust land to Salcombe, via Bolberry Down and Bolt Head at the mouth of
Bolt_Tail
Salcombe on the south Devon coast, England, co-located with the former RAF Bolt Head airstrip, which was the RAF closed in 1945 but remains in service for
RAF_Hope_Cove
Marvel Comics fictional character
Black Bolt (Blackagar Boltagon) is a fictional character appearing in American comic books published by Marvel Comics. Created by Stan Lee and Jack Kirby
Black_Bolt
Turkish assault rifle
ammunition. The modular gun is an advanced gas-operated rifle with rotating bolt head and piston op-rod driven fixed gas system. It is suitable for ambidextrous
Kale_KCR
American firearms company
precision fabrication while keeping costs down. The use of a floating bolt head also maintains precision while helping to keep the rifle affordable. The
Savage_Arms
Bolt-action rifle
requirements included a bolt face which was countersunk into the bolt which would enclose the cartridge's case head while the bolt head was enclosed in a counterbored
Weatherby_Mark_V
German bolt-action rifle
(commonly called the Model 1888 commission rifle) was a late 19th-century German bolt-action rifle, adopted in 1888. The invention of smokeless powder in the late
Gewehr_1888
Sniper Rifle
the bolt body with a crosspin. This separate bolt head design allows for simple caliber changes, as well as future pre-headspaced barrel and bolt-head sets
Barrett_Model_98B
Firearms terminology
with primary extraction. In this design, the bolt head moves in a purely linear motion, and except for the bolt handle cam when opening or closing the action
Primary_extraction
Clifftop area on the coast of south Devon, England
clifftop area on the coast of Devon, England. The headland of Bolt Tail lies to the west and Bolt Head and the town of Salcombe to the east. It is one of the
Bolberry_Down
Firearms - how a cartridge is fed into and extracted from the chamber
excessive headspace) since the bolt head can be designed with a smaller extractor claw which in turn gives the rest of the bolt head a bigger surface area and
Push_feed_and_controlled_feed
English death metal band
Bolt Thrower were a British death metal band from Coventry, England. They formed in 1986 and released their first album with Vinyl Solution in 1988. The
Bolt_Thrower
Estuary in Devon, England
north to its mouth at the English Channel near Salcombe and lies between Bolt Head and Sharpitor to the west and Portlemouth Down to the east. The estuary
Kingsbridge_Estuary
Sniper rifle
The Accuracy International Arctic Warfare rifle is a bolt-action sniper rifle designed and manufactured by the British company Accuracy International.
Accuracy International Arctic Warfare
Accuracy_International_Arctic_Warfare
Cold War civil defence bunker network
site at Wallingford finally being decided upon. Region 7 (South West) Bolt Head, near Salcombe in south Devon. This was a former protected radar station
Regional_seat_of_government
Submachine gun
pin affixed to the front of the end cylinder. Another cylinder with the bolt head and charging handle was placed on top of the recoil-spring assembly. This
Maschinenkarabiner_36
Semi-automatic rifle
bolt head. After firing, the barrel and bolt, still locked together, move rearward inside the receiver and compress two recoil springs. Then the bolt
Remington_Model_8
Tool for cutting metal
A bolt cutter, sometimes called bolt cropper, is a tool used for cutting bolts, chains, padlocks, rebar and wire mesh. It typically has long handles and
Bolt_cutter
Belgian assault rifle
cocking handle returns forward. The spring extractor is located inside the bolt head, the ejector is fixed and riveted to the inside of the receiver housing
FN_FNC
Disney character
Bolt is the main character and the titular protagonist of Walt Disney Animation Studios' 2008 film Bolt. He is depicted as a White Shepherd with superpowers
Bolt_(Disney_character)
Semi-automatic shotgun
recoil, but operates by means of a spring freely interposed between bolt head and bolt. During firing, due to the recoil of the gun, breech block inertia
Benelli_Raffaello
Dart-like projectile used by crossbows
"crossbow quarrel", referring to their typically square heads. Although their lengths vary, bolts are typically shorter and heavier than traditional arrows
Crossbow_bolt
Belgian bullpup assault rifle
the feed path as the next round is stripped from the magazine by the bolt head. The casing is fed into the tray located in a cavity in the receiver wall
FN_F2000
Submachine gun
uses a recessed bolt head similar to the Beretta Model 12's as a method of reducing the weapon's length, although on the LF57 the bolt's mass is carried
Franchi_LF-57
Method to attach a weapon barrel and receiver
mounting is important both for safety and accuracy. If the barrel, receiver and bolt are not fitted properly, severe and potential fatal problems can arise due
Barrel_threads
American-bred Thoroughbred racehorse
Bolt d'Oro (foaled March 17, 2015) is an American Thoroughbred racehorse. At age two, he won his first three starts, including the Del Mar Futurity and
Bolt_d'Oro
Reciprocating internal combustion engine
351 cu in (5.8 L) "Cleveland" engines, which used the same bore spacing and head bolt configuration as the small block engines. As the 1980s drew to a close
Ford_small_block_engine
British bolt-action rifle
The Lee–Enfield is a bolt-action, magazine-fed repeating rifle that served as the main firearm of the military forces of the British Empire and Commonwealth
Lee–Enfield
Bullpup automatic shotgun
safety levers and ejection converted from right to left by rotating the bolt head 180°. The chamber was configured to accept the proprietary belted cartridges
Heckler_&_Koch_HK_CAWS
Local government district in Devon, England
AONB. The district's coast includes the promontories of Start Point and Bolt Head. The neighbouring districts are Torbay, Teignbridge, West Devon, Cornwall
South_Hams
Screw drive with 6-lobed star-shaped flower-petal pattern
smooth fastener head is topped with a break-away Torx drive that snaps off when the engineered torque is reached, leaving a rivet-like bolt head that cannot
Torx
Type of washer used to create a seal around a screw or bolt
bonded seal is a type of washer used to provide a seal around a screw or bolt. Originally made by Dowty Group, they are also known as Dowty seals or Dowty
Bonded_seal
Service rifle
Lee–Metford is a British bolt action rifle. It was the first British Bolt-action rifle and combined James Paris Lee's rear-locking bolt system and detachable
Lee–Metford
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