There are carriage bolts, hexagonal bolts, flange bolts, etc., which are available in various types and sizes, and are often used in automobile, photovoltaic and other industries.Surface treatment: Dacromet coating,Teflon coating,Gumet, Ruspert cover, Nickel plating, zinc coat, galvanized.Advantages: high-quality materials, diverse types, good stability.
Flange bolt is composed of hexagonal head and flange, its "support area and stress area word ratio" is greater than ordinary bolts, so this bolt can withstand higher preload, anti-loose performance is also better, so it is widely used in automotive engines, heavy machinery and other products.
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