IS 2232 : 1967 Specification for Slotted and Castle Nuts

UDC 621.882.32 PGD 37
Reaffirmed 2021

1 Scope

1.1 This standard prescribes the requirements of precision andblack grades of slotted and castle nuts in the following diameterranges:

a) Precision grade slottednuts            4 to 39 mm

b) Black grade slottednuts                12 to 33 mm

c) Precision and black grades castle nuts   12 to 100mm

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 549 : 1961Specification for split cotter pins

IS 1367 : 1967 Technical supply conditions forthreaded fasteners

IS 2614 : 1964Methods for sampling of fasteners

IS 3139 : 1966Dimensions for screw threads for bolts and nuts (diameterrange M42 to M150)

IS 4218 : 1967 ISO metric screw threads