HD (Heavy Duty) Turnbuckle Jaw-Jaw is a robust and versatile piece of hardware used in various tensioning and rigging applications.
HD turnbuckle can be used to adjust the tension or length of ropes, cables, tie rods, and other tensioning systems. The “Jaw-Jaw” configuration refers to the turnbuckle having two jaw ends (also known as clevis ends) that can be connected to other components.
| Size | SWL | L IN | L OUT | B1 mm | B3 mm | T mm | ΦD1 mm | R1 mm | |
| mm | Tons | Kn | mm | Double Lug | |||||
| 55 x 8 | 13.5 | 133 | 935 | 1260 | 55 | 20 | 120 | 51 | 60 |
| 65 x 8 | 17 | 167 | 1010 | 1360 | 65 | 28 | 130 | 63 | 70 |
| 70 x 8 | 25 | 245 | 1085 | 1415 | 76 | 30 | 145 | 70 | 70 |
| 75 x 8 | 30 | 294 | 1160 | 1530 | 80 | 35 | 160 | 72 | 75 |
| 80 x 8 | 35 | 343 | 1250 | 1650 | 90 | 40 | 175 | 80 | 85 |
| 90 x 8 | 45 | 442 | 1300 | 1780 | 100 | 45 | 175 | 90 | 95 |
| 100 x 8 | 55 | 540 | 1380 | 1890 | 110 | 50 | 175 | 100 | 105 |
| 110 x 8 | 70 | 687 | 1480 | 2025 | 110 | 55 | 175 | 108 | 115 |
| 120 x 8 | 85 | 834 | 1565 | 2200 | 130 | 75 | 175 | 127 | 135 |
| 130 x 8 | 100 | 981 | 1630 | 2360 | 140 | 90 | 175 | 140 | 145 |
| 140 x 8 | 120 | 1177 | 1745 | 2340 | 155 | 90 | 190 | 152 | 170 |
| 160 x 8 | 160 | 1570 | 1870 | 2470 | 170 | 100 | 210 | 178 | 190 |
| 180 x 8 | 200 | 1962 | 2020 | 2640 | 190 | 110 | 250 | 190 | 220 |
| 200 x 8 | 250 | 2453 | 2170 | 2840 | 210 | 120 | 280 | 250 | 260 |
This type of HD turnbuckle meets the requirement as laid down in the Dutch, British, American and other dock regulations. Deliverable with two securing nuts or plates upon request. Custom design screws can be constructed in any size and capacity. Rigging screws are supplied with trapezium thread.
Standard supplied with two securing nuts. This HD turnbuckle / heavy duty turnbuckle meets the requirements as laid down in the Dutch. British, American and other Dock regulations.





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