Empire Industries
Fig. 51 Rod Coupling
- SKU:
- Fig. 51
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
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Description
Pipe Hangers & Supports / Brackets
Empire Industries
Fig. 51 Rod Coupling
Empire Fig. 51 Rod Coupling is designed for connecting two lengths of threaded rod with equal diameters.

Product Highlights
- Connects two lengths of equal-diameter threaded rod
- Available in plain carbon steel, electro-galvanized, T-304 stainless steel, and T-316 stainless steel
- Sizes from 1/4"-20 through 7/8"-9
- Maximum recommended loads up to 3,770 lb for plain and electro-galvanized models
Materials & Finishes
| Plain Carbon Steel | 51B |
|---|---|
| Electro-Galvanized | 51G |
| T-304 Stainless Steel | 51SS |
| T-316 Stainless Steel | 51SX |
Plain & Electro-Galvanized Size Data
| Rod Size | Length | Hex Width | Weight Each | Max Recommended Load |
|---|---|---|---|---|
| 1/4"-20 | 7/8" | 3/8" | 0.02 lb | 230 lb |
| 3/8"-16 | 1-3/4" | 5/8" | 0.11 lb | 610 lb |
| 1/2"-13 | 1-3/4" | 11/16" | 0.10 lb | 1,130 lb |
| 5/8"-11 | 2-1/8" | 13/16" | 0.18 lb | 1,810 lb |
| 3/4"-10 | 2-1/4" | 1" | 0.28 lb | 2,710 lb |
| 7/8"-9 | 2-1/2" | 1-1/4" | 0.55 lb | 3,770 lb |
Stainless Steel Size Data
| Rod Size | Length | Hex Width | Weight Each |
|---|---|---|---|
| 1/4"-20 | 7/8" | 3/8" | 0.02 lb |
| 3/8"-16 | 1-1/8" | 1/2" | 0.11 lb |
| 1/2"-13 | 1-1/4" | 5/8" | 0.10 lb |
| 5/8"-11 | 1-3/4" | 7/8" | 0.18 lb |
| 3/4"-10 | 2" | 1" | 0.28 lb |
| 7/8"-9 | 2-1/2" | 1-1/4" | 0.55 lb |
Important Ordering Notes
- Select the coupling for the required threaded rod size.
- Specify the figure number, finish, and rod size when ordering.
- Published maximum recommended loads shown above apply to the plain and electro-galvanized configurations.
Product Documents
Product Questions
What is the Fig. 51 Rod Coupling used for?
It is designed for connecting two lengths of threaded rod with equal diameters.
What materials and finishes are available?
Empire lists plain carbon steel, electro-galvanized, T-304 stainless steel, and T-316 stainless steel options.
What should be specified when ordering?
Specify the figure number, finish, and rod size.

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