DIN 7982-C flat head sheet metal screw with phillips or pozidriv (form C), ST2.9 x 13, phillips, Article number 7982C290131. Property class / material: steel, surface finish zinc plated. Flat Head Sheet Metal Screw with Phillips or Pozidriv manufactured to DIN 7982 with ISO 1478 tapping screw thread (ST) thread, coarse pitch, fully threaded. Standard parts to the same standard, property class, dimensions and surface finish are interchangeable between manufacturers; confirm the controlling standard revision, any class-society or application approval, and the mating thread before substitution.