Product Name: Czech nut, hollow expansion nut, petal nut, pull cap
Material: Iron expansion (carbon steel) + M4 pan head screw (carbon steel)
Scope of application: car license plate installation, gypsum board, ceiling, wood board, thin iron sheet, tables, chairs and benches, daily household, engineering construction and household decoration.
Description: Czech nuts are made of deep drawing materials and refined by many deep drawing, stamping, bending, riveting, tapping, galvanizing and other technologies