D-shaped Shackles
Specifications of D-shaped Shackles
| Size | W | C | H | Weight/g | Bearing/kg |
| M4 | 8 | 4 | 15 | 8 | 80 |
| M5 | 10 | 5 | 16 | 14 | 100 |
| M6 | 12 | 6 | 21 | 25 | 200 |
| M8 | 16 | 8 | 28 | 57 | 320 |
| M10 | 20 | 10 | 33 | 109 | 520 |
| M12 | 24 | 12 | 41 | 181 | 800 |
| M14 | 28 | 13.5 | 50 | 296 | 1100 |
| M16 | 32 | 16 | 58 | 439 | 1500 |
| M20 | 37 | 19 | 61 | 728 | 3000 |
| M22 | 44 | 21 | 77 | 1181 | 4000 |
Superior Characteristics of D-shaped Shackles
1. Advantages of structural characteristics
Unique shape
• The shape design of D-shaped shackles makes the connection process quicker and more convenient. The curved ring part of the D-shape can be easily connected with ropes, chains, etc., and during the connection process, the connected objects are less likely to accidentally slip off the shackles. Compared with shackles of other shapes (such as circular ones), the D-shaped structure provides a clearer connection direction, which is convenient for operation.
Good stability
• Due to the structure of D-shaped shackles, when subjected to tensile forces, stress can be distributed more evenly. The reasonable transition between the curved ring part and the straight rod part enables the force to be effectively transmitted along the main body of the shackle, reducing the phenomenon of stress concentration and thus improving the stability and safety of the shackle during use.
2. Advantages related to materials
Multiple materials available
• D-shaped shackles can be manufactured from multiple materials such as carbon steel, alloy steel, stainless steel, and titanium alloy. Different materials endow the shackles with different performance advantages. For example, carbon steel shackles have high strength and low cost; alloy steel shackles have higher strength and better corrosion resistance; stainless steel shackles excel in corrosion resistance and are suitable for harsh environments; titanium alloy shackles have unique advantages in terms of high strength and lightweight.
High strength and durability
• Regardless of the material used, D-shaped shackles have relatively high strength. This enables them to withstand huge tensile forces and impact forces, and they can reliably connect heavy objects during lifting, towing and other operations. After appropriate surface treatment, they have good durability and can be used for a long time without being easily damaged.
3. Advantages of connection flexibility
Strong universality
• D-shaped shackles can be used in combination with various types of ropes, chains, shackle pins and other rigging. The connection method is simple. Through pins or bolts, other rigging can be conveniently connected to the shackles, and they can be quickly disassembled and replaced according to actual needs, improving work efficiency.
Multi-angle connection
• Different angles of connection can be achieved, whether it is horizontal, vertical or inclined connection, and they can be well adapted. This multi-angle connection characteristic enables D-shaped shackles to play an important role in complex lifting and fixing scenarios.
