IS 3210 : 1989 Engineers Drawing Instruments - Drawing Pens - Specification
UDC 744.343 | PGD 22 |
|
Reaffirmed 2019 |
1 Scope
1.1 This standard covers the requirements of drawing pen havinga handle and drawing nib. The drawing nib may be plain nib,shifting nib or a lifting nib for engineers drawing instrument.
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 Instrument screws - Specification:Part 1 Fasteners for drawing instruments