Covers dimensions and material requirements for drill chuck taper arbors of Morse taper type and Jacobs taper type.
Note — For drill chuck taper details, see IS : 2243-1971 ' Specification for drill chucks (first revision )'.
IS 9094 Pt.1-1979 history
1979IS 9094 Pt.1-1979 Specification for tapered mandrels for drill chucks with tapered shanks Part I