DIN 965-Z flat head screw with pozidriv, M4 x 20, Article number 965040201Z. Property class / material: steel 4.8, surface finish zinc plated. Flat Head Screw with Pozidriv manufactured to DIN 965-Z with ISO metric (M) 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.