API 11B Oil Well Drilling Polished Rod Coupling Class T & SM - 5/8" to 1-1/8" Sizes with 56-62 HRA Hardness
Price:
USD2-20/pc
MOQ:
100 pc
Delivery Time:
25-30 work days
Product Description
Oil Well Drilling Polished Rod Coupling
Product Overview
Sucker rod couplings are precision-engineered components designed for connecting sucker rods, polished rods, and sinker bars in oil well drilling operations. Manufactured in compliance with API 11B standards, these couplings ensure reliable performance in demanding drilling environments.
Key Features
- Available in Class T (through-hardened) and Class SM (sprayed metal) variants
- Manufactured from high-strength carbon steel and alloy steel materials
- Cold-formed rolled thread tapping for superior thread integrity
- Anti-galling and lubrication coatings for enhanced performance
- Available in sizes: 5/8", 3/4", 7/8", 1", 1 1/8"
Material Specifications
| Product Type | Grade | Steel Material (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 |
Full Size Coupling Technical Parameters
| Size (in) | Coupling O.D W (mm) | Length L (mm) | Thread D. (in) | Wrench Square Length (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 Technical Parameters
| Size (in) | Coupling O.D W (mm) | Length L (mm) | Thread D. (in) | Wrench Square Length (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 |
Contact Information
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China
Mobile/WhatsApp/WeChat: +86 13475294399
Email: christal@oilmancn.com
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Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal