CLGR® Round Pin Anchor Shackle U.S. Type also known as Anchor bow shackle round pin, ASME B30.26 shackle, US federal spec shackle and Shackle with cotter pin.
This ASME B30.26-certified round pin anchor shackle is engineered for permanent or semi-permanent connections in rigging, mooring, and securing applications—note that it is not designed for lifting operations.
Featuring a superior carbon steel body and alloy steel round pin with a 6:1 safety factor, it is drop-forged, quenched, and tempered for maximum durability in demanding offshore, construction, and industrial environments.
The shackle provides hot-dip galvanized, powder-coated, or zinc-plated finishes for exceptional corrosion resistance and is ideal for marine mooring systems, equipment anchoring, and structural tie-downs.
Available in sizes from 3/16" to 4", with custom specifications and markings offered to meet specialized project requirements.
| Brand | CLGR® |
| Origin | China |
| Standard | Meets the performance requirements of Federal Specification RR-C-271F, Type IVA, Grade A, Class 1 |
| Material | Body: Superior Carbon Steel Screw Pin: Alloy Steel / Super Carbon Steel |
| Safety Factor | 6 : 1/4 : 1 |
| Processing | Body: Drop Forged / Quenched and Tempered Screw Pin:Cold/Hot Forged / Drop Forged / Quenched and Tempered |
| Finish | Body: Hot Dipped Galvanized / Powder Coated / Zinc Plated Screw Pin : Powder Coated / Zinc Plated |
| Size | 3/16”,1/4”, 5/16”, 3/8”, 7/16”, 1/2”, 5/8”, 3/4”, 7/8”, 1”, 1-1/8”, 1/1/4”, 1-3/8”, 1-1/2”, 1-3/4”, 2”, 2-1/2”, 3”, 3-1/2”, 4” |
| Tips | Special specification and marks can be made according to customers' requirements |

Part No. | Size | Pin Diameter | Dimensions in inches | WLL | Weight |
A | B(in) | C(in) | tons | lbs | |
CR-213-RPAS-1/4 | 1/4″ | 0.31 | 1.13 | 0.78 | 0.5 |
CR-213-RPAS-5/16 | 5/16″ | 0.38 | 1.22 | 0.84 | 0.75 |
CR-213-RPAS-3/8 | 3/8″ | 0.44 | 1.44 | 1.03 | 1 |
CR-213-RPAS-7/16 | 7/16″ | 0.5 | 1.69 | 1.16 | 1.5 |
CR-213-RPAS-1/2 | 1/2″ | 0.63 | 1.88 | 1.31 | 2 |
CR-213-RPAS-5/8 | 5/8″ | 0.75 | 2.38 | 1.69 | 3.75 |
CR-213-RPAS-3/4 | 3/4″ | 0.88 | 2.81 | 2 | 4.75 |
CR-213-RPAS-7/8 | 7/8″ | 1 | 3.31 | 2.28 | 6.5 |
CR-213-RPAS-1 | 1″ | 1.13 | 3.75 | 2.69 | 8.5 |
CR-213-RPAS-1-1/8 | 1 1/8″ | 1.25 | 4.24 | 2.91 | 9.5 |
CR-213-RPAS-1-1/4 | 1 1/4″ | 1.38 | 4.69 | 3.25 | 12 |
CR-213-RPAS-1-3/8 | 1 3/8″ | 1.5 | 5.25 | 3.63 | 13.5 |
CR-213-RPAS-1-1/2 | 1 1/2″ | 1.63 | 5.75 | 3.88 | 17 |
CR-213-RPAS-1-3/4 | 1 3/4″ | 2 | 7 | 5 | 25 |
CR-213-RPAS-2 | 2″ | 2.25 | 7.75 | 5.75 | 35 |