Overview
Products Description
.Sucker rod couplings are used to connect sucker rod or pony rod. This kind of couplings can be classified as full size couplings and slim hole couplings,with class T, SM grade. Except that, there is sub-coupling that is used to connect sucker rods of different sizes
Specification
Full Size Coupling | |||||
Size (in) | Coupling O.D. W (mm) (+0.13, -0.25) | Length L (mm) (+1.57, -0.00) | Nominal Diameter of Thread (in) | Length of Wrench Square (mm) | Hardness (HRA) |
5/8" | 38.10 | 101.6 | 15/16" | 31.8 | 56-62 |
3/4" | 41.28 | 1-1/16" | |||
7/8" | 46.00 | 1-3/16" | |||
1" | 55.60 | 1-3/8" | 38.1 | ||
1 1/8" | 60.33 | 114.3 | 1-9/16" | ||
Slim Hole Coupling | |||||
Size (in) | Coupling O.D. W (mm) (+0.13, -0.25) | Length L (mm) (+1.57, -0.00) | Nominal Diameter of Thread (in) | Length of Wrench Square (mm) | Hardness (HRA) |
5/8" | 31.75 | 101.6 | 15/16" | 31.8 | 56-62 |
3/4" | 38.10 | 1-1/16" | |||
7/8" | 41.30 | 1-3/16" | |||
1" | 50.80 | 1-3/8" | 38.1 | ||
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Company Information
Dongying Zhao Xin Industry and Trade Co., Ltd. was established in 2001. Our company is located in Dongying city which has the second largest Oilfield (Shengli Oilfield) in China. We are a company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacturer. Our main products include drilling equipment, oil production equipment, oil well service tools. Currently, our products are already exported to North America, South America, Middle East, Middle Aisa, India and other countries and regions. We are an I S O 9 0 0 1, I S O 1 4 0 0 1, I S O 4 5 0 0 1,API certified company and have all the quality systems in place for design, planning, manufacturing and quality monitoring & traceability to ensure that all products match the quality & reliability Standards. We also have an independent measurement and inspection department, the inspection and measuring tools are fully equipped, we control each process to ensure that all products are qualified. Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad.