M3 MANTUS CHAIN HOOK
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Description
- The M3 Chain Hook, or chain grabber securely latches to the chain even when chain is unloaded, making it much safer than standard chain hooks that often fall off.
- The M3 Hook is made from 2205 Duplex Stainless Steel designed to survive in a harsh marine environment and is still the strongest chain hook on the market.
- Ideal for use with a snubber or a bridle.
- Fits BBB, Proofcoil, Hi Test and Stainless Chain.
- Available for 1/4 inch / 6mm, 5/16 inch/ 8mm, 3/8 inch/10mm, 1/2 inch/12mm , 5/8 inch chain/ 14mm.
Hook Sizing Recommendations
| Hook Size | WLL | UBS | Shackle (Size) | Recommended Snubber Rope |
|---|---|---|---|---|
| M3CH1 1/4 in (6-7mm) – 5/16 (8mm) | 2,507 lbs | 10,028 lbs | 7/16 in Shackle | 1/2 in – 5/8 in |
| M3CH2 5/16 in (8 mm) – 3/8 in (10 mm) | 3,344 lbs | 13,376 lbs | 1/2 in Shackle | 5/8 in – 3/4 in |
| M3CH3 3/8 in (10 mm) – 1/2 in (12-13 mm) | 4,803 lbs | 19,214 lbs | 5/8 in Shackle | 3/4 in – 1 in |
| M3CH4 1/2 in (12-13 mm) – 5/8 in (15 – 16 mm) | TBD | TBD | 5/8 or 3/4 in Shackle | 1 in – 1 1/4 in |
The safety factor we used to determine the safe working load is 4, where other manufacturers use the safety factor of 3 or lower thus UBS is the best way to compare strength between products.
STRENGTH OF SHACKLES INCLUDED WITH THE M3 CHAIN HOOKS
| 2205 Duplex Stainless Steel Shackle | WLL | UBS |
| 7/16 inch (used with M3CH1) | 3250 lbs | 13,000 lbs |
| 1/2 inch (used with M3CH2) | 5750 lbs | 23,000 lbs |
| 5/8 inch (used with M3CH3 or M3CH4) | 7500 lbs | 30,000 lbs |
| 3/4 inch (used with M3CH4) | TBD | TBD |
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