Hexagon nut
Hexagon (Hex) nut is a type of nut that has a hexagonal shape and is mainly used in combination with bolt. It is generally standardized based on JIS (Japanese Industrial Standards) B 1181, and it can be made of steel, stainless steel, or non-ferrous metals. Hex nuts come in various types, such as type 1, type 2, and type 3, with type 1 being the most frequently used.Hexagon cap nut
Hexagon (Hex) cap nut is a type of hexagon (Hex) nut that has one side shaped like a cap, characterized by having a non-through hole. It is mainly suitable for use in places where the ends of screws are dangerous to expose.Wing nut
Wing nut that has a head shaped like bird’s wings, which can be turned by pinching it with fingers, allowing it to be tightened by hand without using tools.