DIN 2093 conical washer, 10 x 4.2 x 0.5 mm, Article number 209304210051. Property class / material: steel, surface finish zinc plated. Conical Washer manufactured to DIN 2093. 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. Applications: load distribution and locking under bolt heads and nuts in machine building, structural steel, plant maintenance and marine outfitting.