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Contact Person Ms. May
dongfeng, Weifang, Shandong
Bit Description: IADC: **7 - TCI journal sealed bearing bit with gauge protection for medium hard formations with high compressive strength. Compressive Strength: *5 - **0 MPA *2, **0 - *4, **0 PSI Ground Description: Medium hard and abrasive rocks such as sandstones with streaks of quartz, hard limestone or chert, hematite ores, hard, well-compacted abrasive rock such as: sandstones with quartz binder, dolomites, quartzite shales, magma and metamorphic coarse grained rocks
