Metric Socket Set Cup Point, Din 916, A2 (304) Stainless steel

A socket set screw with cup point and a hexagon drive, also known as a grub screw. In A2 (304) stainless steel to Din 916 with metric coarse thread. A hex key, sometimes referred to as an allen wrench or allen key, or a hex driver is required to tighten or loosen a socket screw.  Designed without a protruding head they can be driven fully into pre drilled holes.   Socket set screws are generally used to secure a object within or against another object, the most common example would be to secure a pulley or gear to a shaft. Also commonly found on door handles, bikes and mobile phones.