IS 3211 : 1991 Engineers' Drawing Instruments, Pen Points

1 Scope

This Indian Standard covers the requirements of pen points forengineers' drawing instruments following types:

a) Pen point, plain nib;

b) Pen point, shifting nib; and

c) Pen point, lifting nib.

2 Reference

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