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Products > DRILL PIPE > Laishui Qixing Petroleum Machinery Co.,Ltd. | Similar Products

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Drag Bit Non-core Bit 4 1/2" Well Drilling Made in China Factory: drill bit uses in soft formations such as sand,clay or some soft rock. Type: Chevron and Step type Wings: 2, 3 and 4 wings Size: 3" to 24" Thread: 2 3/8", 3 1/2", 4 1/2", 6 5/8" API Reg. PinType: ...

Drag Bit 6" Step Type Three Wing Bit for Soft Ground Surface Drilling Manufactrurer: drill bit uses in soft formations such as sand,clay or some soft rock. Type: Chevron and Step type Wings: 2, 3 and 4 wings Size: 3" to 24" Thread: 2 3/8", 3 1/2", 4 1/2", 6 5/8" API Reg. Pin Type: ...

5 Blades 12 1/4: drilled in abrasive applications Bit type Main bit size(mm) Rock coefficient PDC core drill bit Single pipe 75/54.5 94/74 113/89 113/109 153/129 1-18 Two-pipes 75/54.5 94/68 PDC center drill ...

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Drag Bit Non-core Bit 4 1/2" Well Drilling Made in China Factory