DIN 933-Sz hexagon head screw, M8 x 30, slotted, Article number 933SZ8080301. Property class / material: steel 8.8, surface finish zinc plated. Hexagon Head Screw manufactured to DIN 933-Sz 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.