Serving the Marine Industry since 1936

Shackle precautions

Angle loads must be applied in the plane of the bow.

Side Loading Reduction Chart
 For Screw Pin and Bolt Type Shackles

Angle of Side Load from
Vertical In-Line of shackle

 Adjusted Working Load Limit
0° In-Line * 100% of Rated Working Load Limit
45° from In-Line * 70% of Rated Working Load Limit
90° from In-Line * 50% of Rated Working Load Limit

*  In-Line load is applied perpendicular to pin.

Never Exceed 120° included angle.

Use Bolt Type and Screw Pin Shackles ONLY.

Shackles symmetrically loaded with two leg slings having a maximum included angle of 120° can be utilized to full Working Load Limit.