This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
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.
Status : PublishedPublication date : 1974-06
Edition : 1Number of pages : 5
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