Providing the toughest and safest gear since 1979 Standing with Ukraine


CM Super Strong Anchor Shackles - Screw Pin




CM’s shackles are world renowned for their strength and design. CM’s Super Strong Anchor Shackles are carbon-type shackles with strength ratings that are 17 – 50% stronger than comparable-sized carbon shackles. These shackles are designed with a 6:1 design factor and can be side-loaded or used for multiple connections. This style has a screw pin and is available with a galvanized or orange powder coated finish. *Photo above may not be exact representation of product

  • Manufactured from technically advanced micro alloy steel with optimal hardness for strength and ductility.
  • Shackles show major deformation before failure
  • Working load limit and traceability codes shown as permanent markings on body
  • All shackles have alloy quenched and tempered pins
  • Galvanized finish or Orange Powder Coated finish
  • Shackles meet dimensional requirements and exceed performance requirements of RR-C-271
  • Special testing and certification is available upon request at the time of the order
  • Note: Screw pin and bolt/nut/cotter shackles have a 6:1 design factor. 
Dimensions (in.)
Product Code Size (in.) Working Load Limit (Ton) Finish Weight (lbs.) P E W R L B (min)
M650P 1/2 3 Orange Powder Coated 0.75 0.63 0.70 0.84 1.34 1.94 1.36
M651P 5/8 4-1/2 Orange Powder Coated 1.30 0.75 0.83 1.06 1.66 2.41 1.63
M647G 5/16 1 Galvanized 0.20 0.38 0.45 0.53 0.84 1.25 0.81
M648G 3/8 1-1/2 Galvanized 0.30 0.44 0.52 0.66 1.00 1.40 1.00
M651G 5/8 4-1/2 Galvanized 1.30 0.75 0.83 1.06 1.66 2.41 1.63

Related Items

International Customers proudly services the United States, Canada, and Mexico. If you need your gear delivered anywhere in Europe, Australia, Asia or Northern Africa, visit MTN Shop EU, our international shop.

Continue to Stay On