304 stainless steel socket cap screw has a plain finish and a button head with an internal hex drive,stainless steel material provides strength and offers good corrosion resistance in many environmentsButton head is round with a low profile and short vertical sides, and is suitable for light duty applications Socket cap screws are threaded fasteners that have a cap head with an internal socket drive for installing in areas with limited side clearance These screws are available with a variety of head shapes, which determine how the screw interacts with the mating surface, and drive styles, which determine the type of tool required to install the screw Used widely in the home,office appliance, aluminum profile installation, communication equipments, ship assembly and other machinery industry,equipment, quadcopter, DIY crafts, home repairing and so on