311 - 313 of 313
high quality rock drilling bit
Selling leads
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... construction. It can be used in all kinds of rock strata, and the diameter of reamed hole ranges from Φ300 to Φ2200mm. IADC Rock formation WOB (KN...
2025-02-26 17:59:57
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... Steel Toothed TCI Roller Cone Back Reamer Drill Bit HDD Hole Opener Product Description Suitable for medium to medium hard strata with high ...
2025-02-26 17:59:57
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... products are made Of high-performance alloy materials,such as 415H and other high-quality alloy steels. Thread type:IFPEGNCFH,the thread is ...
2025-02-26 17:59:57
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