U.S. CHAIN SHACKLES Round pin chain shackles

• Round pin chain shackles 

• Meets the performance requirements of Federal Specification RR-C-271F

  Type IVB, Grade A, Class 1 

•  Maximum Proof Load is 2.2 times the Working Load Limit, 

  with a minimum break force 6 times the working load limit. 

• Capacities 1/2 thru 85 metric tons. 

• Forged - Quenched and Tempered, with alloy pins.  

• Working Load Limit and grade “6” permanently shown on every shackle.  

• Hot Dip galvanized or self colored.  

• Fatigue rated.  

• Shackles can be furnished proof tested with certificates to designated standards 

  Charges for proof testing and certification available when requested at the time of order.  

• Shackles can meet impact requirements of 42 joules(31 ft-lbs) avg. 

  at -20 degrees C (-4 degrees F).