Crosby shackles: How to use them safely

Crosby shackles are forged and tempered with alloy pins to secure machines in towing, suspension or lifting applications. Saudi Dutest are Crosby shackle suppliers in Saudi Arabia who supply a wide range of highest-grade lifting supplies in KSA. These shackles have enhanced properties to withstand tough environments and temperatures.

Here are some best practices to use Crosby shackles safely.

• When selecting the right shackle, it is important to refer to the Crosby’s manufacturer guide to keep a check on working loads of the shackles to use the right one for the job. You can find the rated capacity imprinted on the shackle.
• The screw pin of the shackle should be fully engaged. When making a sling, attaching legs to the pin can damage and weaken the sling. Instead attach multiple sling legs to the bow, not the pin. When point loading shackle to shackle, connect bow to bow or bow to pin but not pin to pin.
• Pack the pin with washers to center a shackle. Do not allow it to be pulled at an angle or this could cause its pin to open.
• Inspect the shackle eye and pin holes for damage and stretching. Stretching or elongation could denote that the metal is being overloaded.
• Shackles are sized as per the diameter of the bow section rather than the pin size. Check the manufacturers table to avoid using a shackle if the distance between the eyes is more than what is stipulated in the guide.
• The bow of the shackle should be put into the running side of the choke whenever machines need to be secured.
• When using a shackle with a wire rope it must be equal to or bigger than the wire rope diameter.
• If using a shackle with synthetic slings make sure that the shackle is big enough to avoid pinching or binding the sling.
• Screw Pin Shackles are used in relocating applications. Crosby recommends using bolt type shackles for long term or permanent installation.
• When exposed to high or low temperatures the thermal treatment and strength of the shackle can be affected. The optimum operating range for full working load limit is -4 degrees F to 400 degrees F.
• Bolt nut and cotter shackles need to have the bolt and nut rightly intact with the cotter pin attached. The pinhead should contact the shackle body.

Saudi Dutest provides technical support with appropriate shackles for various applications that suit your project.  Visit our website to know more about our rigging, lifting, and material handling equipment.

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This post was written by Admin