A general term for a part used in combination with a bolt to fasten objects. It has a female thread cut into the center of the shaft. (1) Hexagonal nut: It has a hexagonal outer shape and is the most commonly used. (2) Square nut: It has a square outer shape and is used for special design purposes or when low cost is required. (3) Wing nut: A nut with a knob so that it can be tightened with the fingers. (4) Eye nut: Used in combination with a stud bolt to transport machinery and equipment. Also called a lifting bracket or eye nut. (5) Welded nut: A nut with a protrusion on one side that is welded to a steel plate. It is used when it is desired to omit the processing of female threads on-site, such as on automobile assembly lines. There are more than twenty other types, including lock nuts, spring plate nuts, and cap nuts. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ボルトと組合せて,物体を締めつけるのに用いる部品の総称。軸心部にめねじが切ってある。 (1) 六角ナット 外形が六角形で,最も一般的に使われる。 (2) 四角ナット 外形が四角形で,特殊な設計目的か低価格を要するときに用いる。 (3) 蝶ナット 指で締めつけられるようにつまみをつけたナット。 (4) アイナット 植込みボルトと組にして機械器具を運搬するのに用いる。吊金具,眼つきナットともいう。 (5) 溶接ナット ナットの片面に突起部を設け,鋼板に溶接して用いる。自動車の組立てラインなど,現場でのめねじ加工を省略したい場合に使われている。このほか,止めナット,ばね板ナット,袋ナットなど二十数種がある。
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