To provide a nail to suppress the paint peeling of the head of a nail for siding board and be excellent in a finish of a nail hole formed by the nail.

A number of square cones 16 are arranged in a lattice-form shape in the head top surface of a pan head nail 11 and painting is applied on the head top surface. The collision load of the driver of a nailing machine is dispersed into a number of the square cones 16 and peeling of painting hardly occurs. Also when a pan head 12 is laterally rubbed by a driver, the driver is prevented from contact with the shoulder of the pan head 12 and peeling of painting of the edge part of the pan head 12 is prevented from occurring. Further, the surface layer part of a siding board is cutely sheared by the outer edge part of the bottom of the pan head 12 and appearance of a nail hole in which the pan head 12 is embedded is excellent.