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Products > Large diameter > Shaanxi Senwell Drlling Equipment Co., Ltd | Similar Products

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API Standard AISI 4145H Mod 6-1/2: Usage:Drill collars are used to provide weight on bit so that drill pipes are kept in tension. Especially drill collars can keep drill bits centralized and hole track by large rigidity Material: AISI ...

API Standard S135 5: Diameter Grade Wall Thickness Upset Ends. For Weld-on Tools Joint Lb/ft kg/m in mm In mm 2 3/8 6.65 6.26 9.32 2.375 60.3 E,X,G,S 0.280 7.11 EU 2 7/8 10.40 9.72 14.48 2.875 73.0 E,X,G,S 0.362 9.19 IU ...

Api Standard 244.5mm IADC 637 Rock Drill Tricone Bits with Tungsten Carbide Inserts: diameter and the types of bit are strictly designed in accordance with the standards API Spec.7. There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits ...

Api Standard Rubber Sealed IADC 127 8-1/2: diameter and the types of bit are strictly designed in accordance with the standards API Spec.7. There are not only rubber sealed bearing bits but also metal face sealed bearing bits, and all bits ...

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API Standard AISI 4145H Mod 6-1/2