IS 3214 : 1991 Engineers' drawing instruments, pencil points - Specification

1 Scope

This standard covers the requirements of pencil points of Type Aand Type B for engineers' drawing instruments of following types.

2 References

IS 1068 :1985Electroplated coatings of nickel plus chromiumand copper plus nickel plus chromium on iron andsteel

IS 2500 : Part 1 :1973 Sampling inspection tables :Part 1 Inspection by attributes and by count ofdefects

IS 3222 : Part 1 :1989 Instruments screws :Part 1 Fasteners for drawing instruments