Set screw
Inner hexagonal hole, also known as “headless screw”, also known as “sunk head screw”, there is no exposed screw head after bolting, so it is called headless screw, and because it is often used to fix tapping parts, it is also called stop screw , the tail is not used because of its function, there are flat tail, cup tail, pointed tail, positioning beads and other types, among which the cup tail is the most common form in Taiwan.
Item No: DBBS