The first partnerfirst in korea to establish a one-stop production line for seamless steel pipes. 1st localizationfirst to localize various core components and materials. 能動人exemplary global company with the trust of customers. global company leadernurturing talented individuals with enterprising spirit and creative thinking
Tool steel drill rod s7 is an oil or air-hardened tool steel that exhibits excellent high impact toughness and strength. refine search start new search
A range of milled tooth and tci cutting structures are available for a variety of formation conditions. the fixed-diameter hole opener is available in sizes 17 1/2 to 42 in, with hand-tool-demountable cutters that are easily replaced on the rig floor. tools for hole sizes of 36 in or more are designed with four arms and cutters.
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