Mechanical parts, cylindrical threaded fasteners for nuts. A fastener consisting of a head and a screw (a cylinder with external threads) in two parts, to be fitted with a nut, for fastening two parts with a through hole.
Specification:
Nail leg :3.3 to 5.3
Level:
250-580HV
Product Features:
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The hollow structure at the tail expands and penetrates without piercing the underlying board
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When connecting aluminium materials, the connection performance, production efficiency and stability are superior to those of aluminium electric welding
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It is conducive to achieving lightweight design
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It is suitable for the connection of dissimilar materials of aluminum and steel
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There is no need to drill or punch holes in the material in advance
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Self-piercing riveting of GPa hot-formed steel
