121 - 125 of 125
roller drag bits
Selling leads
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..., SPT service etc. Drilling dia. will from 50-200mm or larger according to clients requirement. Different layer condition will need different bits, ...
2025-03-20 14:26:06
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... onto the drill collars. Cross over subs act as an intermediary between two dissimilar threads and are used to connect the two. Related Products ...
2025-12-14 19:23:56
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... of mud into mechanical energy for bit rotation. Downhole mud motor can be used with roller cone bits, diamond bits and other special bits for ...
2024-12-09 21:25:43
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... big diameter bit.The pilot is three cone bit. Our hdd roller cone reamer is suitable for all types of non-excavation drilling rig and can be used ...
2026-07-07 00:26:12
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...road and river crossing application. The roller cone HDD reamer needs to be chosen the appropriate tooth type and bearing structure according to ...
2026-07-07 00:26:12
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