These metric flat washers are designed to enhance the load‑bearing capability of threaded fasteners. They are supplied in stainless steel A2 grade with a natural finish, sized for M27 thread (50 mm OD, 4.3 mm thickness). The washers provide reliable spacing, preload indication and wear protection in a range of engineering applications. 
 
Material
Stainless Steel (A2)
Finish
Natural
External Diameter (OD)
50 mm
Thickness (T)
4.3 mm (+0/-0.6 mm)
Internal Diameter (ID)
28 mm (+0.33/-0 mm)
Thread Size
M27 (27 mm)
Manufacturing Standard
DIN 125