Stainless Steel Cross Recessed Countersunk Self-Tapping Screw (GB846) - A2/A4

A cross recessed countersunk head tapping screw, also known as a flat head screw or countersunk screw, conforms to the Chinese National Standard GB/T 846-1985. It features a flat or oval head design with a cross recess on the top, allowing it to be fully countersunk into the material surface to prevent protrusion.