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ISO 1717:1974 Rock drilling -- Rotary drill-rods and rotary drill-bits for dry drilling -- Connecting dimensions
standard by International Organization for Standardization, 06/01/1974
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.
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