he polish rod clamps are with hinge-joint butterfly structure. The body is made of high grade casting steel and accomplished with subjected heat treatment.
The clamps hold the polish rods tightly with force of friction. No any inserts with teeth needed. So damages and cuttings on the polish rod surface can be eliminated.
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Great for earring, . Also shop for jewelry & accessories at best prices . best quality and finishing
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The polished rod clamp is of butterfly structure, it is fixed on the polished rod as retaining device for the wire hanger. It makes the pumping unit horse-head connected with polished rod through rod eye lifting device, and then the polished rod append and support the load of sucker rod string. The polished rod clamp is an important part connecting oil pump and sucker rod, it is required not only reliable, have a certain capacity, but also can not cause damage for sucker rod.
The polished rod clamp is of butterfly structure, it is fixed on the polished rod as retaining device for the wire hanger. It makes the pumping unit horse-head connected with polished rod through rod eye lifting device, and then the polished rod append and support the load of sucker rod string. The polished rod clamp is an important part connecting oil pump and sucker rod, it is required not only reliable, have a certain capacity, but also can not cause damage for sucker rod.
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