نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای stretched pin:
n: a tool joint pin which has been subjected to loading which has caused permanent lengthening of the threaded length of the pin. This condition generally results from excessive torque rather than tensile loads.
n: The permanent extend of the external screw of tool joint,which usually because of the larger torque.
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