Aircraft cable 7 x 19 is recommended for pulleys. This is the strongest and most flexible of cables with the greatest stretch. Note that as wire has increased flexibility, there is a reduction in abrasion resistance. Works well with Garage Doors, Hanging Signs, Antennas/Flagpoles and Tie-Downs. For Safety and Light Rigging applications, use the 7 x 19 Stainless Steel style.
7 x 19 indicates seven strands of wire rope with nineteen wires in each strand.
| BARE CABLE DIAMETER | GALVANIZED MIN. RATED BREAKING STRENGTH | GALVANIZED WEIGHT PER 1,000 FT. | STAINLESS STEEL MIN. RATED BREAKING STRENGTH | STAINLESS STEEL WEIGHT PER 1,000 FT. |
|---|---|---|---|---|
| 1/16″ | 480 lbs. | 7.5 lbs. | 480 lbs. | 7.5 lbs. |
| 3/32″ | 920 lbs. | 16 lbs. | 920 lbs. | 16 lbs. |
| 7/64″ | 1260 lbs. | 22 lbs. | 1,260 | 23 lbs. |
| 1/8″ | 2000 lbs. | 29 lbs. | 1760 lbs. | 29 lbs. |
| 5/32″ | 2800 lbs. | 45 lbs. | 2400 lbs. | 45 lbs. |
| 3/16″ | 4200 lbs. | 65 lbs. | 3700 lbs. | 65 lbs. |
| 7/32″ | 5600 lbs. | 86 lbs. | 5000 lbs. | 86 lb.s |
| 1/4″ | 7000 lbs. | 110 lbs. | 6400 lbs. | 110 lbs. |
| 9/32″ | 8000 lbs. | 139 lbs. | 7800 lbs. | 139 lbs. |
| 5/16″ | 9800 lbs. | 173 lbs. | 9000 lbs. | 173 lbs. |
| 3/8″ | 14,400 lbs. | 243 lbs. | 12,000 lbs. | 243 lbs. |
| 7/16″ | 17,600 lbs. | 356 lbs. | 16,300 lbs. | 356 lbs. |
| 1/2″ | 22,800 lbs. | 458 lbs. | 22,800 lbs. | 458 lbs. |
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