Material: Alloy Steel 10.9 Grade Black Oxide
Size: thread diameter d* thread length L (not including head height)

Button Head Socket Cap Screws are precision threaded fasteners,their rounded head features no sharp or pointed edges. Button Screws are often used for their decorative qualities.Used in a variety of industries such as construction, manufacturing, automobile, aircraft and so on and serves a wide range of use for professionals, landlords.