helical grooves

спиральные нарезы

English-Russian arms dictionary. 2013.

Смотреть что такое "helical grooves" в других словарях:

  • polygonal rifling —    Helical grooves in the bore of a firearm barrel to impart rotary motion to a projectile …   Forensic science glossary

  • twist drill — noun a bit or drill having deep helical grooves • Syn: ↑twist bit • Hypernyms: ↑bit * * * noun : a drill having one or usually two deep helical grooves extending from the point to the smooth portion of the shank * * * Mach. a drill with one or… …   Useful english dictionary

  • Rifle — A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ( rifling ) cut into the barrel walls. The raised areas of the rifling are called lands, which make contact with the… …   Wikipedia

  • Herringbone gear — A herringbone gear, also known as a double helical gear,[1] is a special type of gear which is a side to side (not face to face) combination of two helical gears of opposite hands.[2] Un …   Wikipedia

  • Mondragón rifle — Fusil M 1908 Mondragón Type Semi automatic rifle Automatic rifle Light machine gun …   Wikipedia

  • Mondragón (rifle) — Mondragón was a Mexican automatic rifle.Infobox Weapon name= Fusil M 1908 Mondragon caption= origin= flagicon|Mexico Mexico type= Automatic rifle is ranged=yes service= 1887 1921 used by=Mexico Switzerland Chile Brazil Peru France Republic of… …   Wikipedia

  • Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …   Wikipedia

  • bullet — bulletless, adj. bulletlike, adj. /bool it/, n., v., bulleted, bulleting. n. 1. a small metal projectile, part of a cartridge, for firing from small arms. See diag. under cartridge. 2. a cartridge. 3. a small ball. 4. Print. a heavy dot for… …   Universalium

  • drill — drill1 drillable, adj. drillability, n. driller, n. /dril/, n. 1. Mach., Building Trades. a. a shaftlike tool with two or more cutting edges for making holes in firm materials, esp. by rotation. b. a tool, esp. a hand tool, for holding and… …   Universalium

  • rifled slug — noun Etymology: from past participle of rifle (IV) : a shotgun projectile having a round nose, a hollow base, and sides cut with a series of oblique grooves that increase the accuracy of the projectile by causing it to rotate as it passes through …   Useful english dictionary

  • twist drill — noun Date: circa 1875 a drill having deep helical grooves extending from the point to the smooth portion of the shank …   New Collegiate Dictionary

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