DIN 127-B spring lock washer (form B), 2.1 x 4.4 x 0.5 mm, titanium, Article number 127BT02. Surface finish: plain. Spring Lock Washer manufactured to DIN 127. 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.