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Product Description
Crosby G-215 round pin chain shackles are high-strength lifting components designed for in-line rigging and chain applications. Featuring a round pin secured with a cotter pin, these shackles are ideal for temporary or semi-permanent connections where side loading is not present.
Manufactured from forged steel and quenched and tempered for durability, these shackles include alloy pins and are permanently marked with working load limits for safety and traceability. Available in a wide range of sizes and capacities, they are offered in galvanized or self-colored finishes for use in various environments.
Material:
Body: Forged carbon steel
Pin: Alloy steel
• Hot-dip galvanized finish
• Sizes 3/8 inch and below are mechanically galvanized
Specifications:
• Meets Federal Specification RR-C-271H, Type IVB, Grade A, Class 1
• Proof Load: 2x Working Load Limit
• Ultimate Strength: 6x Working Load Limit
• Fatigue rated to 20,000 cycles at 1.5x WLL
• Can meet DNV impact requirements (42 Joules at -20°C)
• Working Load Limit permanently marked on each shackle
• ⚠️ Do not side load round pin shackles
Uses:
• Chain and in-line lifting applications
• Temporary or semi-permanent rigging connections
• Material handling
• Construction and industrial lifting
• Towing and suspension applications
Key Features:
Round pin design – Secured with cotter pin for reliable fastening
High strength construction – Forged, quenched, and tempered
Fatigue rated – Suitable for repeated loading cycles
Marked WLL – Permanently stamped for safety and traceability
Corrosion resistant – Available in galvanized or self-colored finishes
Certified quality – Meets major industry standards
| Nominal Size (in) | Working Load Limit (tons) | Stock No. | Weight Each (lb) | Inside Width at Pin (in) | Inside Width Tolerance ± (in) | Pin Diameter (in) | Inside Length (in) | Inside Length Tolerance ± (in) | Bow Diameter (in) | Eye Width (in) | Outside Width of Bow (in) | Overall Height (in) | Outside Width at Pin (in) | Bow Thickness at Crown (in) | Replacement Round Pin Stock No. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 1/2 | 1018810 | 0.10 | 0.47 | 0.06 | 0.32 | 0.87 | 0.06 | 0.25 | 0.62 | 0.97 | 1.59 | 1.34 | 0.25 | — |
| 5/16 | 3/4 | 1018838 | 0.18 | 0.53 | 0.06 | 0.39 | 1.04 | 0.06 | 0.31 | 0.75 | 1.15 | 1.91 | 1.63 | 0.31 | — |
| 3/8 | 1 | 1018856 | 0.25 | 0.66 | 0.06 | 0.45 | 1.25 | 0.13 | 0.38 | 0.92 | 1.42 | 2.31 | 1.86 | 0.38 | — |
| 7/16 | 1-1/2 | 1018874 | 0.40 | 0.75 | 0.06 | 0.51 | 1.45 | 0.13 | 0.44 | 1.06 | 1.63 | 2.67 | 2.13 | 0.44 | — |
| 1/2 | 2 | 1018892 | 0.50 | 0.81 | 0.06 | 0.64 | 1.62 | 0.13 | 0.50 | 1.18 | 1.81 | 3.03 | 2.38 | 0.50 | — |
| 5/8 | 3-1/4 | 1018918 | 1.21 | 1.06 | 0.06 | 0.78 | 2.00 | 0.13 | 0.63 | 1.50 | 2.32 | 3.76 | 2.91 | 0.63 | — |
| 3/4 | 4-3/4 | 1018936 | 2.00 | 1.25 | 0.06 | 0.88 | 2.38 | 0.25 | 0.75 | 1.81 | 2.75 | 4.53 | 3.44 | 0.81 | — |
| 7/8 | 6-1/2 | 1018954 | 3.28 | 1.44 | 0.06 | 1.03 | 2.81 | 0.25 | 0.88 | 2.10 | 3.20 | 5.33 | 3.82 | 0.97 | — |
| 1 | 8-1/2 | 1018972 | 4.75 | 1.69 | 0.06 | 1.16 | 3.18 | 0.25 | 1.00 | 2.38 | 3.69 | 5.94 | 4.53 | 1.00 | — |
| 1-1/8 | 9-1/2 | 1018990 | 6.30 | 1.81 | 0.06 | 1.28 | 3.56 | 0.25 | 1.13 | 2.68 | 4.07 | 6.78 | 5.13 | 1.25 | 1082232 |
| 1-1/4 | 12 | 1019016 | 9.00 | 2.03 | 0.13 | 1.41 | 3.93 | 0.25 | 1.25 | 3.00 | 4.53 | 7.50 | 5.50 | 1.38 | 1082250 |
| 1-3/8 | 13-1/2 | 1019034 | 12.00 | 2.25 | 0.13 | 1.53 | 4.38 | 0.25 | 1.38 | 3.31 | 5.01 | 8.28 | 6.13 | 1.50 | 1082278 |
| 1-1/2 | 17 | 1019052 | 16.15 | 2.38 | 0.13 | 1.66 | 4.87 | 0.25 | 1.50 | 3.62 | 5.38 | 9.05 | 6.50 | 1.62 | 1082296 |
| 1-3/4 | 25 | 1019070 | 26.00 | 2.88 | 0.13 | 2.03 | 5.76 | 0.25 | 1.75 | 4.19 | 6.38 | 10.97 | 7.75 | 2.12 | 1082312 |
| 2 | 35 | 1019098 | 43.25 | 3.25 | 0.13 | 2.28 | 6.75 | 0.25 | 2.10 | 5.00 | 7.25 | 12.74 | 8.75 | 2.36 | 1082330 |
Design Factor: 6:1
Proof Load: Maximum proof load is 2 times the Working Load Limit.
| Specification | Value |
|---|---|
| Body Material | Carbon Steel |
| Eye Outer Size | 3/4in |
| Inner Length | 1.04 in |
| Inner Width | 0.53in |
| Opening Size | 0.53 in |
| Overall Length | 1.91 in |
| Pin Diameter | 0.39 in |
| Pin Material | Alloy |
| Pin Type | Round Pin |
| Overall Width | 1.63 in |
| Trade Size | 5/16 in |
| Specifications | Do not side load round pin shackles |
| Series | G-215 |
| Working Load Limit | 0.75 metric tonnes |
| Weight | 0.18 lb |
| Type | Chain Shackle |
| Shackle Size | 5/16 in |
| Finish | Hot Dipped Galvanized |
| Dimensions | Drawing dimensions (in): A = 0.53; A Tol +/- = 0.06; B = 0.39; C = 1.04; C Tol +/- = 0.06; D = 0.31; F = 0.75; G = 1.15; H = 1.91; M = 1.63; P = 0.31 |