DIN 7982-C flat head sheet metal screw with phillips or pozidriv (form C), ST5.5 x 90, phillips, Article number 7982CA255090. Made in stainless steel a2-20h. 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.