200pcs self tapping screws woodworking tool accessory assortment kit flat head

made of 304 stainless steel material, the 304 stainless steel material provides strength and offers good corrosion resistance in many environments. ideal for use in confined areas where the head needs to be flush or below the surface. screws have sharp threads that cut into a material such as soft metal sheet, plastic or wood. eight common sizes and three optional head types for general purpose use. used widely in the home and office appliance, wood furniture, repair and inventions..syi