Coupling Sleeves
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A coupling sleeve is installed at the end of a drill rod or shank adapter. During drilling, the sleeve holds together the drill rod and shank adapter, or between two sections of the drill rod for extended rod length allowing the drill to go deeper in the hole. Made of high quality alloy steel and machined by NC machine tool, a coupling sleeve receives rigorous heat treatments to guarantee rugged durability. The sleeve transmits the power from the drill to the drill bit with no energy loss during the process. The result is improved rock drilling speed.
Thread Type: R28,R32,R38,T38,T45,T51
Sleeve Type: Regular or reducing sleeve
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