IS 5556 : 1991 Serrated Lock Washers - Specification

1 Scope

1.1 This Indian Standard covers the requirements for serratedlock washers for threaded fasteners sizes in the range M 1.6 to M30.

2 References

IS 28 :1985Phosphorbronze ingots and castings

IS 1501 : Part 1 :1984 Method for Vickers hardness test formetallicmaterials:Part 1 HV 5 to HV 100

IS 4072 :1975Steel for springs washers

IS 5369 :1975General requirements for plain washers and lockwashers

IS 6821 :1973Methods for sampling non-threaded fasteners