Monroe
OneMonroe
Locations Throughout the Country
ISO 9001:2015
Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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Welcome to OneMonroe's comprehensive collection of rigging shackles, designed to meet the highest standards of safety and durability. Rigging shackles are essential components in lifting, towing, and securing heavy loads, used across a wide range of industries including construction, maritime, and industrial operations. At OneMonroe, we provide a diverse selection of rigging shackles, including anchor shackles, chain shackles, and more, all crafted to ensure strength and reliability in the most demanding environments.

Our rigging shackles come in various sizes, materials, and load capacities, making it easy to find the right solution for your specific needs. Whether you are looking for a galvanized shackle for corrosion resistance or an alloy steel shackle for maximum strength, OneMonroe offers top-quality products you can trust. Each shackle is built to perform under rigorous conditions, adhering to industry standards for secure and efficient rigging applications.

Formula:
  • All shackles meet or exceed Federal Specification RRC-271D
  • Working Load Limit and traceability codes shown as permanent marking on body and pin
  • Available in painted, galvanized and self-colored finishes (Dacromate coating upon special request only)
  • All shackles have alloy quenched and tempered pins
  • Shackles exhibit extreme deformation before failure (Independent lab verified)
  • Special testing and certification including magnetic particle, proof load, and fatigue test available upon request at time of order
  • Special products engineering available to fit your special lifting, tie down, and pulling needs
  • Design factor 5:1
Alloy Anchor Shackle
Carbon Anchor Shackles
Unit of Measure
Items Alloy Anchor Shackle
M650A
Alloy Anchor Shackles 		Alloy Anchor Shackle
M651A
Alloy Anchor Shackles 		Alloy Anchor Shackle
M652A
Alloy Anchor Shackles 		Alloy Anchor Shackle
M653A
Alloy Anchor Shackles 		Alloy Anchor Shackle
M654A
Alloy Anchor Shackles
Pin Diameter N/A 0.630 in N/A 0.75 in N/A 0.880 in N/A 1.000 in N/A 1.130 in
D - Width N/A 0.50 in N/A 0.63 in N/A 0.75 in N/A 0.88 in N/A 1.00 in
E - Head Diameter N/A 0.7 in N/A 0.83 in N/A 0.95 in N/A 1.09 in N/A 1.22 in
W - Opening N/A 0.84 in N/A 1.06 in N/A 1.28 in N/A 1.44 in N/A 1.72 in
R - Outer Head Diameter N/A 1.34 in N/A 1.66 in N/A 1.94 in N/A 2.14 in N/A 2.44 in
L - Clearance N/A 1.94 in N/A 2.41 in N/A 2.84 in N/A 3.31 in N/A 3.75 in
B - Opening (Min) N/A 1.38 in N/A 1.63 in N/A 1.89 in N/A 2.06 in N/A 2.52 in
Working Load Limit N/A 3.30 Ton N/A 5.00 Ton N/A 7.00 Ton N/A 9.50 Ton N/A 12.50 Ton