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Contact Person Ms. May
dongfeng, Weifang, Shandong
Bit Description: IADC: **4 - Steel tooth sealed roller bearing bit for soft formations with low compressive strength and high drillability. Compressive Strength: 0 - *5 MPA 0 - 5, **0 PSI Ground Description: Very soft, unstratified, poorly compacted rocks such as poorly compacted clays and sandstones, marl limestones, salts, gypsum, and hard coals.
