Published
Specifies the connecting dimensions for drill-rods and the shanks of drill-bits. In addition, an example is given for wet drilling. Tabulates dimensions in millimetres and inches; some figures illustrate shapes and reference quantities of concern.
WITHDRAWN
SRPS K.R1.320:1973
WITHDRAWN
SRPS K.R1.321:1973
WITHDRAWN
SRPS K.R1.322:1973
WITHDRAWN
SRPS K.R1.323:1973
PUBLISHED
SRPS ISO 1717:1999
90.93
Standard confirmed
Dec 6, 2022