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

WLL: 1/2 to 55 Tons
Sizes: 3/16 to 2-1/2 in.

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.
  • 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 3/16" to 2-1/2"
  • 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 if requested at the time of the order
  • Note: Screw pin and bolt/nut/cotter shackles have a 6:1 design factor. 2-1/2" and all round pin shackles have a 5:1 design factor.
SUPER STRONG ANCHOR 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 B min
3/16 1/2 50 0.06 M645 M645G - M345 M345G - - - - 0.25 0.29 0.38 0.57 0.88 0.58
1/4 3/4 50 0.12 M646 M646G M646P M346 M346G M346P M846 M846G M846P 0.31 0.36 0.47 0.75 1.13 0.75
5/16 1 50 0.20 M647 M647G M647P M347 M347G M347P M847 M847G M847P 0.38 0.45 0.53 0.84 1.25 0.81
3/8 1-1/2 50 0.30 M648 M648G M648P M348 M348G M348P M848 M848G M848P 0.44 0.52 0.66 1.00 1.40 1.00
7/16 2 50 0.50 M649 M649G M649P M349 M349G M349P M849 M849G M849P 0.50 0.58 0.72 1.15 1.69 1.19
1/2 3 50 0.75 M650 M650G M650P M350 M350G M350P M850 M850G M850P 0.63 0.70 0.84 1.34 1.94 1.38
5/8 4-1/2 25 1.30 M651 M651G M651P M351 M351G M351P M851 M851G M851P 0.75 0.83 1.06 1.66 2.41 1.63
3/4 6-1/2 10 2.30 M652 M652G M652P M352 M352G M352P M852 M852G M852P 0.88 0.95 1.28 1.94 2.84 1.89
7/8 8-1/2 10 3.50 M653 M653G M653P M353 M353G M353P M853 M853G M853P 1.00 1.09 1.44 2.14 3.31 2.06
1 10 5 5.00 M654 M654G M654P M354 M354G M354P M854 M854G M854P 1.13 1.22 1.72 2.44 3.75 2.52
1-1/8 12 Bulk 7.00 M655 M655G M655P M355 M355G M355P M855 M855G M855P 1.25 1.36 1.84 2.66 4.02 2.69
1-1/4 14 Bulk 9.50 M656 M656G M656P M356 M356G M356P M856 M856G M856P 1.38 1.52 2.03 3.15 4.63 2.88
1-3/8 17 Bulk 12.50 M666 M666G M666P M366 M366G M366P M866 M866G M866P 1.50 1.65 2.25 3.25 5.19 3.25
1-1/2 20 Bulk 17.20 M657 M657G M657P M357 M357G M357P M857 M857G M857P 1.63 1.77 2.41 3.50 5.63 3.50
1-5/8 24 Bulk 23.50 M685 M685G M685P M385 M385G M385P M885 M885G M885P 1.75 1.88 2.66 3.91 6.13 4.13
1-3/4 30 Bulk 27.70 M677 M677G M677P M377 M377G M377P M877 M877G M877P 2.00 2.13 2.94 4.06 6.97 4.75
2 35 Bulk 39.00 M658 M658G M658P M358 M358G M358P M858 M858G M858P 2.25 2.38 3.28 4.51 7.44 5.50
2-1/2 55 Bulk 90.50 - - - - - - MC860 MC860G - 2.75 2.91 4.13 6.25 10.48 6.75