Very good performance well drilling bit, high downhole speed and long working life Payment terms:T/T, L/C are acceptable.Lead Time for MOQ: Within 3 days after deposit or valid L/C opened.FAQ(Frequently Asked Questions)1. How to place an inquiry or order?...

Very good performance three cone rotary bit, high downhole speed and long working life  9 7/8" IADC537G is a regular types, we found it is welcomed by Middle East, North America, South America, Western Europe etc. so it is a regular size in the...

Golden color with golden performance in well drilling, advanced bearing, heel and shirttail protection Payment terms:T/T, L/C are acceptable.Lead Time for MOQ: Within 3 days after deposit or valid L/C opened.FAQ(Frequently Asked Questions)1. How to place an...

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1>Competitive price and high quality 2>Stocks adequate&timely delivery 3>30 years experience in well drilling equipments  Specification: Size8 1/2”(215.9mm)IADC127GBearing TypeElastomer sealed journal bearingThread Connection4...