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The surface finish of slick drill collar shall be hot-rolled and mill finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly...
The surface finish of slick drill collar shall be hot-rolled and mill finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly...
The surface finish of slick drill collar shall be hot-rolled and mill finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly...
The surface finish of slick drill collar shall be hot-rolled and mill finished. Spiral drill collar is to do slot turning outside the surface. Spiral groove on drill collar 's OD make the drilling fluid evenly...
Standard HWDP is manufactured with thick-wall pipe. There is extra long EU tool joints on the two ends and long EU in the middle part, with the function of drill collar and drill pipe. Since the transition from...
Standard HWDP is manufactured with thick-wall pipe. There is extra long EU tool joints on the two ends and long EU in the middle part, with the function of drill collar and drill pipe. Since the transition from...
Stainless Steel Metal Money Clip For Personalized Design Logo 1 Base Information of Stainless Steel Metal Money Clip Material: stainless steel Weight: about 18g Electroplate: brush nickel Logo: print l...
Fine Thread Thickening M20*1.5 Electroplate Color zinc Hexagon Nuts Product description: Nuts are widely use in manufacture industry, such as automobile manufacturing, construction, agricultural machinery, rail...