API 11AX Certified Sucker Rod Coupling with Up to 10,000 Feet Discharge Head and 3/4 inch to 1-1/4 inch Rod Diameter
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Product Feature: 1) Material: AISI 5140 2) Standard: API Spec 11B 3) Main specification: OD:1-1/2" (38.10mm) ID: 15/16"(23.81mm) Length: 4" (101.6mm) Weight: 0.56kg 4)Other Size: 3/4 7/8 1 1 1/8 5)Smoothness: 3.1*10-3 6)Coat Thickness(in): 0.01in ~ 0.02in......
Puyang Zhongshi Group Co., Ltd.
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