ISO 10424-1:2004 specifies requirements for the following drill stem elements: upper and lower kelly valves; square and hexagonal kellys; drill stem subs; standard steel and non-magnetic drill collars; drilling and coring bits.
ISO 10424-1:2004 is not applicable to drill pipe and tool joints, rotary shouldered connection designs, thread gauging practice, or grand master, reference master and working gauges.
BS EN ISO 10424-1:2004 history
0000 BS EN ISO 10424-1:2004(2009)
2004BS EN ISO 10424-1:2004 Petroleum and natural gas industries - Rotary drilling equipment - Rotary drill stem elements