Chinese wholesale Hex Coupling 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:



Related Product Guide:
All we do is usually connected with our tenet " Consumer initial, Rely on 1st, devoting around the food stuff packaging and environmental safety for Chinese wholesale Hex Coupling Nut - Coupler – Cathay, The product will supply to all over the world, such as: Hongkong, Amman, Chile, Our items are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
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 |

Timely delivery, strict implementation of the contract provisions of the goods, encountered special circumstances, but also actively cooperate, a trustworthy company!
