Oil Well Drilling Polished Rod Coupling Class T And SM API 11B
Certification:API 11B
Model Number:5/8",3/4",7/8",1",1 1/8"
Minimum Order Quantity:100 pc
Delivery Time:25-30 work days
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:China
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Oil Well Drilling Class T And SM Sucker Rod Coupling As Per API 11B/ Polished Rod Coupling
Oil Well Drilling Class T And SM Sucker Rod Coupling As Per API 11B/Polished Rod Coupling
Description of sucker rod coupling:
Sucker rod couplings are used for connecting sucker rods, polished
rods and sinker bars.
-The main types of sucker rod couplings are sucker rod couplings,
polished rod couplings and sub-couplings.
- All of the three types have two classes: class
T(through-hardened)and class SM (sprayed metal).
-Material: carbon steel, alloy steel.
-Specification:5/8”, 3/4”, 7/8”1”, 1 1/8”
The coupling blanks are formed or machined to size and tolerance, threaded using a cold-forming rolled thread tap and coated for anti-galling and lubrication properties.
Grade & steel for sucker rod coupling:
| Product | Type | Grade | Steel (AISI) |
| coupling | Sucker Rod Couplings Sub couplings Polished Rod Connections | T | 5140, 1045 |
| SM | 5140, 1045 | ||
| K | 4620,4720 | ||
| KD | 4330 | ||
| UHS | 4142,4130,4330 |
Technical Parameter:
Full Size Coupling
| Size(in) | Coupling O.D W(mm) (+0.13,-0.25) | Length L(mm) (+1.57,-0.00) | Thread D.(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) | Thread D.(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 |
If any needs, pls contact us freely:
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China.
Mob/whats app/we chat:+86 13475294399
*Email: christal@oilmancn.com
Oil Well Drilling Polished Rod Coupling Class T And SM API 11B
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