IS 3216 : 1989 Engineers drawing instruments, needles - Specification

1 Scope

This standard covers the requirements of needles of varioustypes suitable for use with compasses, dividers, spring bowcompasses, needle point and prickers for engineers drawinginstruments.

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 6528 :1972Stainless steel wire

IS 7904 :1975Carbon steel wire rods