IS 7821-1975
Specification for long-shank machine taps with nominal diameters 3 to 24 mm

Standard No.

IS 7821-1975

Release Date

1976

Published By

IN-BIS

Latest

IS 7821-1975

Scope

Covers the dimensions and requirements for long shank machine taps for ISO metric screw threads with coarse and fine pitches, conforming to IS : 4218 ( Parts I to Vl)-1967 ' ISO metric screw threads'.

IS 7821-1975 history

• 1976 IS 7821-1975 Specification for long-shank machine taps with nominal diameters 3 to 24 mm