DIN 961 hexagon head screw, M12 x 1.25 x 40, sst 200 h, Article number 96110121250401SST200. Property class / material: steel 10.9, surface finish zinc plated. Hexagon Head Screw manufactured to DIN 961 with ISO metric (M) thread, fine 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.