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CM Carbon Chain Shackles Bolt/Nut/Cotter
CM Carbon Chain Shackles Round Pin
CM Carbon Chain Shackles Screw Pin
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an exact representation of the product

CM Carbon Chain Shackles
(Industrial/Government-Rated)

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

CM Industrial/Government Rated Carbon Shackles are designed with a 5:1 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.
  • 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 with galvanized finish per ASTM A153
  • All bolt, nut & cotter shackles have thread-protected ends
  • Shackles meet dimensional and performance requirements of RR-C-271
  • Standard industry tolerances apply
  • CM Smart ID RFID technology is available as an option on screw pin anchor shackles sizes 1/2" to 1-3/4" and bolt, nut & cotter shackles sizes 3/4" to 1-3/4".
  • Chart Note: To order products with CM Smart ID RFID technology add "-RF" after the product number in the chart above. RFID-equipped rigging products are not eligible for our In-Stock Guarantee.
CARBON CHAIN SHACKLES
Size D (in.) Working Load Limit Std.
Pkg.
Weight Product Code Dimensions (in.)
Screw Pin Round Pin Bolt, Nut & Cotter
Galvanized Galvanized Galvanized P E W R L
1/4 1/2 50 0.11 MC746G MC546G MC946G 0.31 0.36 0.47 0.75 0.88
5/16 3/4 50 0.17 MC747G MC547G MC947G 0.38 0.46 0.56 0.84 1.03
3/8 1 50 0.25 MC748G MC548G MC948G 0.44 0.52 0.66 0.99 1.25
1/2 2 50 0.75 MC750G MC550G MC950G 0.63 0.70 0.84 1.25 1.69
5/8 3-1/4 25 1.30 MC751G MC551G MC951G 0.75 0.83 1.09 1.58 2.00
3/4 4-3/4 10 2.30 MC752G MC552G MC952G 0.88 0.95 1.25 1.89 2.38
7/8 6-1/2 10 3.50 MC753G MC553G MC953G 1.00 1.09 1.44 2.14 2.88
1 8-1/2 5 5.00 MC754G MC554G MC954G 1.13 1.22 1.72 2.41 3.19
1-1/8 9-1/2 Bulk 7.00 MC755G MC555G MC955G 1.25 1.34 1.81 2.69 3.56
1-1/4 12 Bulk 9.50 MC756G MC556G MC956G 1.38 1.50 2.03 3.13 3.94
1-3/8 13-1/2 Bulk 12.50 MC766G MC566G MC966G 1.50 1.63 2.25 3.32 4.44
1-1/2 17 Bulk 17.20 MC757G MC557G MC957G 1.63 1.78 2.38 3.57 4.88
1-5/8 20 Bulk 23.50 MC785G MC585G MC985G 1.75 1.88 2.63 3.94 5.25
1-3/4 25 Bulk 27.70 MC777G MC577G MC977G 2.00 2.13 2.88 4.06 5.75
2 35 Bulk 39.00 M758G M558G M958G 2.25 2.38 3.28 4.53 6.75