Good quality Steel Nut - Coupler – Cathay Detail:
Couperls was designed to connect Threaded Steel Bars, to increase the length where
projects request.
Material: C45 and 40Cr
Product detail pictures:



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Dedicated to strict top quality command and considerate purchaser support, our experienced staff customers are always available to discuss your necessities and be certain full client gratification for Good quality Steel Nut - Coupler – Cathay, The product will supply to all over the world, such as: London, Estonia, Costa Rica, Our company's main items are widely used all over the world; 80% of our products and solutions exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
Nominal Diameter | Diameter | H | B | L | Nominal Section | Nominal Weight | |
Dv | Dh | ||||||
mm | mm | mm | mm | mm | mm | mm2 | kg/m |
15 | 15 | 15 | 1.0 | 4.5 | 10 | 176 | 1.47 |
18 | 18 | 18 | 1.0 | 4.0 | 10 | 254.5 | 2.11 |
20 | 20 | 20 | 1.3 | 4.8 | 10 | 314 | 2.47 |
25 | 25 | 25 | 1.6 | 6.0 | 12 | 490.9 | 4.10 |
32 | 32 | 32 | 2.0 | 7.0 | 16 | 804.2 | 6.65 |
36 | 36 | 36 | 2.5 | 8.0 | 18 | 1018 | 8.41 |
40 | 40 | 40 | 3.0 | 8.0 | 20 | 1256.6 | 10.34 |
50 | 50 | 50 | 3.0 | 9.0 | 24 | 1963.5 | 16.28 |
60 | 60 | 60 | 3.0 | 10.0 | 22 | 2827 | 23.26 |
63.5 | 63 | 63.5 | 3.0 | 12.0 | 22 | 3167 | 26.20 |
65 | 65 | 65 | 3.0 | 12.0 | 22 | 3318 | 27.470 |
70 | 70 | 70 | 3.0 | 12.0 | 22 | 3848 | 31.8 |
75 | 75 | 75 | 3.0 | 12.0 | 22 | 4418 | 36.9 |
Grade500/630 | NominalDia. | CrossSection | YieldStrength | TensileStrength | YieldLoad | UltimateLoad | Elongation | NominalWeight |
mm | mm2 | >=Mpa | >=Mpa | KN | KN | A/% | KG/m | |
20 | 314 | 500 | 630 | 157 | 198 | 10 | 2.47 | |
25 | 491 | 500 | 630 | 246 | 309 | 10 | 4.1 | |
28 | 615 | 500 | 630 | 308 | 387 | 10 | 4.83 |

High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
