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GMCO
Grade E Rotary Drilling Couplings have set the industry standard were the
first swaged-on grade E fitting to be successfully marked in the world. They
are a one piece welded design and provide a permanent end connection to high
pressure API grade E drilling and vibrator hoses for use in the toughest oil
field applications. Constructed of coupling grade schedule XXH N/L 80 4130
and special George Myer spec A 513 DOM tubing materials to provide years of
trouble free service. GMCO Grade E Swage Fittings are specially designed for
use with a wide variety of manufactures’ steel wire reinforced drilling hoses
and require no set screws for coupling retention. |