Description
A chrome screw that is countersunk and has a lumpy skull with cross grooves. The diameter of the skull is 8.1mm. The total length of the screw is 51.5mm. (Since it is a countersunk screw, you measure the total length of the entire screw with the head) The diameter / roughness of the thread is 4.8mm. The roughness of the screw is measured at the top of the threads.