DIN 7504-P flat head self-tapping screw with phillips, ST2.9 x 13, phillips, Article number 7504P290131. Property class / material: steel, surface finish zinc plated. Flat Head Self-Tapping Screw with Phillips manufactured to DIN 7504-P 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.