High-strength hex nut is a kind of mechanical nut.
Hexagon nuts are classified by shape: inner hexagon nuts and outer hexagon nuts. Classified by raw materials: stainless steel hexagon nuts and general hexagon nuts, copper hexagon nuts. Classified by thickness: hexagonal thick nuts and hexagonal thin nuts.
Hex nuts are used in conjunction with bolts and screws to connect and fasten parts. Among them, Type 1 six-purpose nuts are widely used, C-level nuts are used for machines, equipment or structures with rough surfaces and low precision requirements; A-level and B-level nuts are used for relatively bright surfaces and high precision requirements. on machines, equipment or layouts. The thickness M of type 2 hexagonal nuts is relatively thick, and they are mostly used in occasions that often need to be assembled and disassembled.
As a standard part, the hex nut should have its own general standard. General outer hexagon - the use is more extensive, the characteristic is that the fastening force is relatively large, the disadvantage is that there must be enough operating space during installation. Cylindrical head inner hexagon is the most widely used of all screws. It is very convenient to install. It is almost used in various structures. The appearance is relatively beautiful and regular. The disadvantage is that the fastening force tip is lower than the outer hexagon. In addition, repeated use is easy to damage the inner hexagon. The hexagonal formation cannot be disassembled.
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