Our Products
We supply API 11B full line of couplings, including Sucker Rod Couplings, Sub couplings, and Polished Rod Connections. The couplings covers class T, SM, K, KD, UHS(Ultra High Strength), using good quality steel bare for raw material. With advanced, technology, workmanship and equipments, Samon has been developing new type of products as per your demand.
Grade & Steel for 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 |

-
Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
-
Step 2
Preparation
30 days
-
Step 3
Packaging and dispatch
Standard · Estimated delivery: Sep 15–Oct 9 (14–38 days)
Final packing, freight, and delivery dates are confirmed before dispatch.
Customer reviews
No reviews yet
Be the first customer to review this product.
Write a review
Request custom sourcing
Can’t find what you’re looking for? Share the requirement and our sourcing team will find the right industrial product.