Screw Pin - Galvanized
- Standard Material: All shackle bodies are drop forged carbon steel. All pins are alloy steel
- Standard Finish: Galvanized to ASTM A-153 specification
- Working load limit permanently shown on every shackle
- Design Factor: 6 to 1
- Other Features: Meets Federal Specification TR-C-271 Type VII, Class
- 422-G Screw Pin meets the design requirements of Federal Specification RR-C-271, Type IVB, Grade A, Class 2
DO NOT:
- Exceed Working Load Limits
- Exceed 120° Incline Angle
- Re-Use Shackles Which are Worn in the Crown or Pin by More Than 10% of Original Diameter
- Use Screw Pin Shackles if the Pin Can Roll Under Load
- Proof Test Shackles Beyond 2x the Working Load Limit
|
SIZE
|
CAT.
No.
|
WORKING LOAD LIMIT
|
TOLERANCES
|
DIMENSIONS |
WEIGHT/ 100 |
|||||||||||||||
| Length | Width | B | C | D | E | F | ||||||||||||||
| in. | mm | ton | kg | ±in. | ±mm | ±in. | ±mm | in. | mm | in. | mm | in. | mm | in. | mm | in. | mm | lb | kg | |
| 1/4 | 6 | 5430435 | 1/2 | 454 | 1/16 | 2 | 1/16 | 2 | 5/16 | 8 | 7/8 | 22 | 15/32 | 12 | 25/32 | 20 | 11/16 | 17 | 11 | 5 |
| 5/16 | 8 | 5430535 | 3/4 | 680 | 1/16 | 2 | 1/16 | 2 | 3/8 | 10 | 1 | 25 | 17/32 | 13 | 27/32 | 21 | 13/16 | 21 | 17 | 8 |
| 3/8 | 10 | 5430635 | 1 | 907 | 1/8 | 3 | 1/16 | 2 | 7/16 | 11 | 1-1/4 | 32 | 21/32 | 17 | 31/32 | 25 | 15/16 | 24 | 30 | 14 |
| 1/2 | 13 | 5430835 | 2 | 1814 | 1/8 | 3 | 1/16 | 2 | 5/8 | 16 | 1-11/16 | 43 | 13/16 | 21 | 1-1/4 | 32 | 1-1/4 | 32 | 75 | 32 |
| 5/8 | 16 | 5431035 | 3-1/4 | 2948 | 1/8 | 3 | 1/16 | 2 | 3/4 | 19 | 2 | 51 | 1-1/16 | 27 | 1-9/16 | 40 | 1-7/16 | 37 | 130 | 59 |
| 3/4 | 19 | 5431235 | 4-3/4 | 4309 | 1/4 | 6 | 1/16 | 2 | 7/8 | 22 | 2-5/16 | 59 | 1-1/4 | 32 | 1-13/16 | 46 | 1-3/4 | 44 | 220 | 100 |
| 7/8 | 22 | 5431435 | 6-1/2 | 5897 | 1/4 | 6 | 1/16 | 2 | 1 | 25 | 2-7/8 | 73 | 1-7/16 | 37 | 2-1/16 | 52 | 2 | 51 | 360 | 163 |
| 1 | 25 | 5431635 | 8-1/2 | 7711 | 1/4 | 6 | 1/16 | 2 | 1-1/8 | 29 | 3-1/4 | 83 | 1-11/16 | 43 | 2-1/2 | 64 | 2-3/8 | 60 | 450 | 204 |
| 1-1/4 | 32 | 5432035 | 12 | 10886 | 1/4 | 6 | 1/16 | 2 | 1-3/8 | 35 | 3-7/8 | 98 | 2 | 51 | 3-1/4 | 83 | 3 | 76 | 930 | 422 |
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