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API Spec 7-1997

M00022270

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API Spec 7-1997 Specification for Rotary Drill Stem Elements

standard by American Petroleum Institute, 12/01/1997

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$63.00

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$140.00

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Full Description

Covers dimensional requirements on drill-stem members (except drill pipe), including threaded connections, gauging practice, and master gauges. Also recommended practices for the care and use of regional master, reference master, and working gauges. Includes errata dated 10/99.