Chain Size | Working Load | Proof Load | Breaking Load | Weight per 100′ | Inside Length Max. |
Inside Width Min. |
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in. | mm | kg | Ibs | kn | Ibs | kn | Ibs | kg | Ibs | mm | in. | mm | in. |
1/4 | 7.10 | 1430 | 3150 | 27.80 | 6300 | 56.00 | 12600 | 34.00 | 75 | 21.80 | 0.86 | 11.40 | 0.45 |
5/16 | 8.70 | 2130 | 4700 | 41.80 | 9400 | 83.60 | 18800 | 50.40 | 111 | 25.60 | 1.01 | 11.70 | 0.46 |
3/8 | 10.30 | 2990 | 6600 | 58.70 | 13200 | 117.40 | 26400 | 71.00 | 156 | 30.20 | 1.19 | 14.00 | 0.55 |