This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
Lays down the basic dimensions of drill rods and the necessary dimensions of the tapered connections. These dimensions shall comply with those given in figure 1 and table 1 and in figure 2 and table 2, respectively.
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|std 1 40|
|std 2 40||Paper|
A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)
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