The company can manufacture multiple varieties within three major series of high-strength round-link chains, compact chains, slag-handling chains, connecting links, three-link chains for mine cars, lifting chains, marine chains, fishing chains, hoisting chains, and various corresponding accessories for slings. These chains are available in diameters ranging from 14 to 70 mm and strength grades from 60 to 120.
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Product Details
Use
The butterfly buckle consists of two interchangeable half-rings, a bushing, and a locating pin. It is used to connect chains with hooks, lifting points, or other slinging accessories. It’s easy and quick to install, and simple to operate. Made from high-quality alloy steel and subjected to heat treatment, the buckle features a rust-resistant surface finish and achieves a strength rating of Grade 8.

Dimensions and Mechanical Properties
| Codename | Matching round link chain diameter (mm) |
Main dimensions | Weight (kg) |
Extreme working load (t) |
|||
| (mm) | (mm) | (mm) | (mm) | ||||
| HK06/1.1 | 6 | 7 | 40 | 16 | 13.5 | 0.12 | 1.1 |
| HK08/2 | 7/8 | 9 | 56 | 22 | 18 | 0.16 | 2 |
| HK10/3.2 | 10 | 12 | 68 | 26 | 25 | 0.3 | 3.2 |
| HK13/5.4 | 13 | 15 | 88 | 33 | 29 | 0.69 | 5.4 |
| HK16/8.1 | 16 | 19 | 104 | 40 | 36 | 1.1 | 8.1 |
| HK20/12.6 | 18/20 | 22 | 125 | 48 | 43 | 1.8 | 12.6 |
| HK22/15.3 | 22 | 24 | 150 | 59 | 49 | 3.2 | 15.3 |
| HK26/21.2 | 26 | 29 | 160 | 61 | 58 | 4.5 | 21.2 |
| HK32/32.2 | 32 | 36 | 200 | 78 | 70 | 9 | 32.2 |
Safety Assurance: 4x safety factor, 2.5x verification load.
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Jiangsu Gelin Machinery Co., Ltd.
Phone: 86-513-87599133
Fax: 86-513-87590030
Email: sales@jsgljj.com/ salesrita@jsgljj.com
Address: No. 9, Zhennan Road, Jiang'an Town, Rugao City, Nantong, Jiangsu Province
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