| HEX NYLON INSERT LOCKNUTS NTU SERIES |
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All Dimensions in Inches | |
| HEX NYLON INSERT LOCKNUTS NTU SERIES |
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All Dimensions in Inches | |
| Size | Thickness | Across Flats |
Across Corners |
Prevailing Torque in-lbs. Max. |
Tensile Strength lbs. Min. |
| 1/4-20 | 0.281 | 0.500 | 0.556 | 30.0 | 4.200 |
| 5/16-18 | 0.313 | 0.562 | 0.624 | 60.0 | 5.570 |
| 3/8-16 | 0.406 | 0.688 | 0.763 | 80.0 | 8.560 |
| 7/16-14 | 0.438 | 0.750 | 0.829 | 100.0 | 12.900 |
| 1/2-13 | 0.531 | 0.875 | 0.969 | 150.0 | 19.700 |
| 9/16-12 | 0.563 | 0.938 | 1.037 | 200.0 | 22.600 |
| 5/8-11 | 0.609 | 1.062 | 1.175 | 300.0 | 27.100 |
| 3/4-10 | 0.703 | 1.250 | 1.382 | 400.0 | 35.600 |
| 7/8-9 | 0.781 | 1.438 | 1.589 | 600.0 | 48.200 |
| 1-8 | 0.891 | 1.625 | 1.796 | 800.0 | 63.000 |
| 1-1/8-7 | 0.969 | 1.812 | 2.002 | 900.0 | 77.400 |
| 1-1/4-7 | 1.109 | 2.000 | 2.209 | 1.000.0 | 99.200 |
| 1-3/8-6 | 1.188 | 2.188 | 2.416 | 1.200.0 | 120.000 |
| 1-1/2-6 | 1.313 | 2.375 | 2.622 | 1.350.0 | - |
| 1-3/4-5 | 1.469 | 2.750 | 3.035 | 1.400.0 | - |
| 2-4-1/2 | 1.672 | 3.125 | 3.449 | 1.450.0 | - |