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CM Super Strong Chain Shackles Bolt/Nut/Cotter
CM Super Strong Chain Shackles Round Pin
CM Super Strong Chain Shackles Screw Pin
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CM Super Strong Chain Shackles

WLL: 3/4 to 35 Tons
Sizes: 1/4 to 2 in.

CM Super Strong Shackles are carbon-type shackles with strength ratings that are 17 to 50% stronger than comparablesized carbon shackles. As a result, these shackles are designed with a 6:1 design factor. Chain shackles are best suited for straight-line pulls.

  • 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
  • Available in sizes 1/4" to 2"
  • Available finishes include powder coated, galvanized or self-colored
  • 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. Round pin shackles have 5:1 design factor.
SUPER STRONG CHAIN SHACKLES
Size
D
(in.)
Working
Load
Limit
(Ton)
Std.
Pkg.
Weight
(lbs.)
Product Code Dimensions (in.)
Screw Pin Round Pin Bolt, Nut & Cotter
Self
Colored
Galvanized Orange
Powder
Coated
Self
Colored
Galvanized Orange
Powder
Coated
Self
Colored
Galvanized Orange
Powder
Coated
P E W R L
1/4 3/4 50 0.12 M746 M746G M746P M546 M546G M546P M946 M946G M946P 0.31 0.36 0.47 0.75 0.88
5/16 1 50 0.20 M747 M747G M747P M547 M547G M547P M947 M947G M947P 0.38 0.46 0.56 0.84 1.03
3/8 1-1/2 50 0.30 M748 M748G M748P M548 M548G M548P M948 M948G M948P 0.44 0.52 0.66 0.99 1.25
1/2 3 50 0.75 M750 M750G M750P M550 M550G M550P M950 M950G M950P 0.63 0.70 0.84 1.25 1.69
5/8 4-1/2 25 1.30 M751 M751G M751P M551 M551G M551P M951 M951G M951P 0.75 0.83 1.09 1.58 2.00
3/4 6-1/2 10 2.30 M752 M752G M752P M552 M552G M552P M952 M952G M952P 0.88 0.95 1.25 1.89 2.38
7/8 8-1/2 10 3.50 M753 M753G M753P M553 M553G M553P M953 M953G M953P 1.00 1.09 1.44 2.14 2.88
1 10 5 5.00 M754 M754G M754P M554 M554G M554P M954 M954G M954P 1.13 1.22 1.72 2.41 3.19
1-1/8 12 Bulk 7.00 M755 M755G M755P M555 M555G M555P M955 M955G M955P 1.25 1.34 1.81 2.69 3.56
1-1/4 14 Bulk 9.50 M756 M756G M756P M556 M556G M556P M956 M956G M956P 1.38 1.50 2.03 3.13 3.94
1-3/8 17 Bulk 12.50 M766 M766G M766P M566 M566G M566P M966 M966G M966P 1.50 1.63 2.25 3.32 4.44
1-1/2 20 Bulk 17.20 M757 M757G M757P M557 M557G M557P M957 M957G M957P 1.63 1.78 2.38 3.57 4.88
1-5/8 24 Bulk 23.50 M785 M785G M785P M585 M585G M585P M985 M985G M985P 1.75 1.88 2.63 3.94 5.25
1-3/4 30 Bulk 27.70 M777 M777G M777P M577 M577G M577P M977 M977G M977P 2.00 2.13 2.88 4.06 5.75
2 35 Bulk 39.00 M758 M758G M758P M558 M558G M558P M958 M958G M958P 2.25 2.38 3.28 4.53 6.75