ISO 4014 hexagon head screw, M8 x 100, sst 144 h, Article number 40148081001SST144. Property class / material: steel 8.8, surface finish zinc plated. Hexagon Head Screw manufactured to ISO 4014 with ISO metric (M) thread, coarse pitch, partially 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.