hOpen Now

CM 1-1/2" Bolt Type Anchor Shackle - 20 Ton WLL - #M857G

CM 1-1/2" Bolt Type Anchor Shackle - 20 Ton WLL - #M857G


  • USUALLY SHIPS: 1 - 2 Days
  • Made in the United States of America!
  • This product is rated for overhead lifting.
Purchase over $500 of Shackles made by CM and use Promo Code: CMSHACKLES10 to receive a 10% discount off your order total! *Restrictions may apply

Product Description

CM Super Strong Shackles are carbon-type shackles with strength ratings that are 17 to 50% stronger than comparable-sized carbon shackles. As a result, these shackles are designed with a 6:1 design factor. Anchor shackles can be side loaded or used for multiple connections.

  • Manufactured from technically advanced micro alloy steel with optimal hardness for strength and ductility
  • Shows major deformation before failure
  • Working Load Limit (WLL) and traceability codes shown as permanent markings on body
  • Quenched and tempered bolt
  • Meets dimensional requirements and exceed performance requirements of RR-C-284
  • Special testing and certification is available upon request at the time of the order (additional charges apply)

Charpy Impact Test
The Charpy V-Notch Test was developed during World War 2 to test the penetration resistance of steel armor. It has since evolved into a method to test for toughness of steel in critical structures such as buildings or bridges.

In this test, a bar is mounted horizontally with the notch facing away from an impact weight suspended on a pendulum. When the weight is released, it swings down and breaks through the bar. An indicator measures how far the pendulum is continues to swing after breaking the bar. The momentum of the pendulum is then the measure of the resistance of the material to breaking or penetration.

CM Super Strong Shackles, with the lower hardness values, will consistently pull more than a competitor's carbon shackles of the same diameter. CM Super Strong Shackles were designed to improve overall load strength and ductility without an increase in shackle diameter.

CM Alloy Shackles will meet the Charpy Impact Test requirements. Results of this testing show that CM Alloy Shackles greatly exceed the minimum strength requirements.


Super Strong
Bolt Type Anchor
Carbon Steel
WLL (tons)
WLL (lbs)
Safety Factor
Inside Length
Inside Width
Throat Opening
Pin Diameter
Weight (lbs)

Questions & Answers

There are no questions or answers for this item.

Product Reviews



Safety Notice

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Although Westech Rigging Supply strives to manufacture and sell the highest quality rigging and safety gear, use of the gear is dangerous if not used correctly by competent trained professionals. Westech Rigging Supply disclaims any liability resulting from the misuse of its rigging and safety gear. Please take a moment to more thoroughly review our disclaimer.

Westech Rigging Supply rigging and safety gear is only intended to be used by competent trained professionals. Misuse of the rigging and safety gear can result in serious injury up to and including loss of life. As such, Westech Rigging Supply disclaims liability for any misuse or incorrect product selection by our customers.

Rigging and safety gear purchased from Westech Rigging Supply should be used in strict accordance with all industry and OSHA standards. At no time should rigging or safety gear be used beyond its certified load ratings (aka Working Load Limits). Normal wear and tear should be expected with use of rigging and safety gear; therefore, all gear should be thoroughly inspected before each and every use. Worn or unsafe rigging and safety gear should never be used.