API SJYZ121/165/203 Double Acting Drilling Jar Oilfield Drilling Tools
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TypeDrilling JarMachine TypeDrilling ToolMaterialCarbon steelProcessing TypeForgingUseWell DrillingMachine TypeDrilling JarMaterialCarbon steelProcessing TypeForgingOD Range (inch)4 3/4 ~ 8StandardAPI-7KThread typeNC/REG