Description
Double loop, as known as butterfly, a connecting ring, a link ring, mainly used for connecting the chain in the rigging of chains and rings, hooks, widely used in metallurgy, steel, electricity, ports and other industries.
Introduction
This product adopts American standard, the material is 35CrMo, and it is made by die forging process. Surface can be sprayed plastics. The size is from 1/4 to 1-1/4.
Product Information
US Type Connecting Links A-337 sizes details
| Size (in) | WLL(lbs) | Dimensions(in) | Weight(lbs) | |||
| A | B | D | E | |||
| 1/4 | 3600 | 0.36 | 1.88 | 0.78 | 0.66 | 0.28 |
| 5/16 | 4500 | 0.39 | 2.13 | 0.88 | 0.69 | 0.33 |
| 3/8 | 7100 | 0.52 | 2.5 | 1.03 | 0.88 | 0.73 |
| 1/2 | 12000 | 0.64 | 3.44 | 1.44 | 1.13 | 1.67 |
| 5/8 | 18100 | 0.75 | 4.13 | 1.73 | 1.41 | 2.86 |
| 3/4 | 28300 | 0.97 | 4.94 | 2.06 | 1.63 | 5 |
| 7/8 | 34200 | 1.06 | 5.5 | 2.31 | 2 | 7.5 |
| 1 | 47700 | 1.22 | 6 | 2.5 | 2.25 | 11.03 |
| 1 1/4 | 72300 | 1.5 | 7.43 | 3.06 | 2.56 | 20.38 |