Shackle Types & Markings
Grade ‘M’ Large Dee and Grade ‘S’ Dee and Bow shackles are the most common types of rated lifting shackles that will be encountered in general industry.
Grade ‘S’ shackles are available with various pin configurations but the two main pin configurations are the ‘Safety Pin’ and the ‘Screw Pin’.
Shackles designed and tested in accordance with Australian Standard 2741 should be marked with the following;
- Working load limit
- Manufactures identification.
- Grade of material.
- Identification mark or batch number to cross reference the shackle to the manufacturers test certificate.