How do you calculate D shackle capacity?
The rated capacity should be imprinted on the shackle and be visible. Shackles are sized according to the diameter of the bow section rather than the pin size. Never use a shackle if the distance between the eyes is greater than listed in the manufacturer’s tables.
What is breaking strength of shackle?
Important:
| Diameter | Working Load Limit (lbs) | Breaking Load Min (lbs) |
|---|---|---|
| 5/16″ | 1,500 | 7,500 |
| 3/8″ | 2,000 | 10,000 |
| 7/16″ | 3,000 | 15,000 |
| 1/2″ | 4,000 | 20,000 |
How much weight can a 1/2 in shackle hold?
This product is suitable for overhead lifting.
| Size | WLL | Approximate Weight Each (lbs) |
|---|---|---|
| 3/8 | 1 ton | 0.33 |
| 7/16 | 1.5 ton | 0.47 |
| 1/2 | 2 ton | 0.76 |
| 5/8 | 3.25 ton | 1.44 |
What is the safe working load of a shackle with material size of 1 and a pin diameter of 1 1 8?
9.5 tons
1-1/8 inch size, Screw Pin Anchor Shackle. Working Load Limit (WLL): 9.5 tons.
What is the minimum working load limit required for the shackle at the top of the rigging triangle?
The Working Load Rating of your shackles should equal or exceed the rating of the sling you are rigging.
What is a D shackle?
D-shackle. Also known as a chain shackle, D-shackles are narrow shackles shaped like a loop of chain, usually with a pin or threaded pin closure. D-shackles are very common and most other shackle types are a variation of the D-shackle. The small loop can take high loads primarily in line.
What is difference between bow shackle and D shackle?
Chain Shackles / D Shackles “D” (chain) shackles are generally used to join two pieces rated for in-line tension, while bow (anchor) shackles are typically employed where more than one attachment has to be made to the body, for side and racking loads may twist or bend the chain shackle.
What steel are shackles made of?
Shackles can be made of Stainless Steel, Alloy Steel or regular Carbon Steel. Shackles can be forged or Cast. Stainless Steel is much more expensive but does not necessarily offer greater strength, it offers supremely high corrosion resistance and is suitable for underwater and marine type uses.