3/4" Sucker Rod Couplings Class T/SM with Slim Hole - 41.28mm OD, 56-62 HRA Hardness
Price:
USD2-20/pc
MOQ:
100 pc
Delivery Time:
25-30 work days
Product Description
Product Overview
Sucker rod couplings are precision-engineered components designed for connecting sucker rods, polished rods, and sinker bars in oilfield pumping systems. These couplings ensure reliable performance and extended service life in demanding downhole environments.
Product Specifications
Available Sizes
Standard sizes: 5/8", 3/4", 7/8", 1", 1-1/8"
Material Composition
Manufactured from high-quality carbon steel and alloy steel materials including AISI 1045, 5140, 4620, 4720, 4130, 4330, and 4142 grades.
Manufacturing Process
Coupling blanks are precision-formed or machined to exact size and tolerance specifications, with threads created using cold-forming rolled thread taps. All components receive specialized coatings for anti-galling protection and enhanced lubrication properties.
Technical Specifications
Full Size Coupling Dimensions
| Size (in) | Coupling O.D W (mm) | Length L (mm) | Thread D. (in) | Wrench Square (mm) | Hardness (HRA) |
|---|---|---|---|---|---|
| 5/8" | 38.10 | 101.6 | 15/16" | 31.8 | 56-62 |
| 3/4" | 41.28 | 101.6 | 1-1/16" | 31.8 | 56-62 |
| 7/8" | 46.00 | 101.6 | 1-3/16" | 31.8 | 56-62 |
| 1" | 55.60 | 101.6 | 1-3/8" | 38.1 | 56-62 |
| 1-1/8" | 60.33 | 114.3 | 1-9/16" | 38.1 | 56-62 |
Slim Hole Coupling Dimensions
| Size (in) | Coupling O.D W (mm) | Length L (mm) | Thread D. (in) | Wrench Square (mm) | Hardness (HRA) |
|---|---|---|---|---|---|
| 5/8" | 31.75 | 101.6 | 15/16" | 31.8 | 56-62 |
| 3/4" | 38.10 | 101.6 | 1-1/16" | 31.8 | 56-62 |
| 7/8" | 41.30 | 101.6 | 1-3/16" | 31.8 | 56-62 |
| 1" | 50.80 | 101.6 | 1-3/8" | 38.1 | 56-62 |
Product Grades & Materials
| Product Type | Grade | Steel (AISI) |
|---|---|---|
| Sucker Rod Couplings Sub Couplings Polished Rod Connections |
T | 5140, 1045 |
| Sucker Rod Couplings Sub Couplings Polished Rod Connections |
SM | 5140, 1045 |
| Sucker Rod Couplings Sub Couplings Polished Rod Connections |
K | 4620, 4720 |
| Sucker Rod Couplings Sub Couplings Polished Rod Connections |
KD | 4330 |
| Sucker Rod Couplings Sub Couplings Polished Rod Connections |
UHS | 4142, 4130, 4330 |
Contact Information
Dongying OilMan Machinery Equipment Co.
North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
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Get in Touch
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Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal