DIAGRAMS
Proof Coil Chain Specs
| NOMINAL SIZE | MATERIAL DIAMETER | WORKING LOAD LIMIT | PROOF TEST(MIN) | BREAKING FORCE MIN | INSIDE LENGTH | INSIDE WIDTH | |||||||
| MM | IN | MM | IN | KG | LBS | KN | LBS | KN | LBS | MM | IN | MM | IN |
| 4.0 | 1/8 | 4.0 | 0.156 | 180 | 400 | 3.8 | 800 | 7.2 | 1600 | 23.9 | 0.94 | 6.4 | 0.25 |
| 5.5 | 3/16 | 5.5 | 0.217 | 365 | 800 | 7.2 | 1500 | 14.4 | 3200 | 24.8 | 0.98 | 7.7 | 0.30 |
| 7.0 | 1/4 | 7.0 | 0.276 | 580 | 1300 | 11.6 | 2600 | 23.2 | 5200 | 31.5 | 1.24 | 9.8 | 0.38 |
| 8.0 | 5/16 | 8.4 | 0.331 | 860 | 1900 | 16.9 | 3800 | 33.8 | 7600 | 32.8 | 1.29 | 11.2 | 0.44 |
| 10.0 | 3/8 | 10.0 | 0.394 | 1200 | 2650 | 23.5 | 5300 | 47.2 | 10600 | 35.0 | 1.38 | 14.0 | 0.55 |
| 11.9 | 7/16 | 11.9 | 0.488 | 1680 | 3700 | 32.9 | 7400 | 65.8 | 14800 | 41.5 | 1.64 | 16.6 | 0.65 |
| 13.0 | 1/2 | 13.0 | 0.512 | 2030 | 4500 | 40.0 | 9000 | 80.0 | 18000 | 45.5 | 1.79 | 18.2 | 0.72 |
| 16.0 | 5/8 | 16.0 | 0.630 | 3130 | 6900 | 61.3 | 13800 | 122.8 | 27600 | 56.0 | 2.20 | 20.0 | 0.79 |
| 20.0 | 3/4 | 20.0 | 0.787 | 4800 | 10600 | 94.3 | 21200 | 188.6 | 42400 | 70.0 | 2.78 | 25.0 | 0.98 |
| 22.0 | 7/8 | 22.0 | 0.866 | 5810 | 12800 | 114.1 | 25600 | 228.2 | 51200 | 77.0 | 3.03 | 27.5 | 1.08 |
| 25.0 | 1 | 26.0 | 1.020 | 8140 | 17900 | 159.1 | 35800 | 318.2 | 71600 | 90.9 | 3.58 | 31.7 | 1.25 |
DESIGN
GRADE
- 30
FINISH
- Self-Colored Finish Or Galvanized Finish
STANDARDS
- Meets or exceeds OSHA, Government, NACM, and ASTM specification requirements
ORIGIN
- Made in China
APPLICATION
- Used for a variety of applications
MATERIAL
- Carbon steel
Our Advantages
Flexible Payment
Choose from a range of payment options to suit you such as a 30-day credit account.
Fast Delivery
Enjoy fast delivery with quick processing and timely arrivals for all your orders.
Best Rated
We Are the Highest Rated Lifting Chains Manufacturer in China With 20 Years of Experience & Knowledge
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Our Reviews
We've been working with Powerful Machinery for a long time, and their Grade 30 Proof Coil Chain never lets us down. Whether it's a wholesale order or a custom length, the quality is always top-notch. It’s perfect for our towing and industrial applications. The team is always responsive, and orders arrive on time, every time. Highly recommend them!
We’ve been ordering Powerful Machinery’s Grade 30 Proof Coil Chain for over 6 years now, and it’s always been a reliable choice for our industrial projects. The quality is excellent, and it holds up well even under tough conditions. The team is easy to work with, and they ensure quick delivery every time. We trust them for all our chain needs.
For over 5 years, we've depended on Powerful Machinery for Grade 30 Proof Coil Chain. Their products never disappoint, and we’ve never had an issue with quality.
