B2011 Press riveting bolt-dot tooth type

Category of rivet bolts. The utility model relates to a bolt with a groove that can be self tightened or a built-in spline structure that can be machined at the root of a flange. Through appropriate riveting force, the thin-walled sheet metal holes can be quickly connected to provide external thread support. The shape characteristics of the press riveting joint can be divided into the press riveting bolts of the point pattern tooth structure and the ring groove structure. Such products are also called self tightening bolts.