| HEX STOVER LOCKNUTS L9 Alloy Steel |
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All Dimensions in Inches | |
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| Basic Nut Dia. |
U.N.C. Thread |
U.N.F. Thread |
Width Across Flats | Thickness | ||
| Max. | Min. | Max. | Min. | |||
| 1/4 | 20 | 28 | .437 | .428 | .301 | .281 |
| 5/16 | 18 | 24 | .500 | .489 | .336 | .316 |
| 3/8 | 16 | 24 | .562 | .551 | .400 | .380 |
| 7/16 | 14 | 20 | .687 | .675 | .449 | .429 |
| 1/2 | 13 | 20 | .750 | .736 | .516 | .496 |
| 9/16 | 12 | 18 | .875 | .861 | .580 | .560 |
| 5/8 | 11 | 18 | .937 | .922 | .660 | .640 |
| 3/4 | 10 | 16 | 1.125 | 1.088 | .767 | .747 |
| 7/8 | 9 | 14 | 1.312 | 1.269 | .887 | .867 |
| 1 | 8 | 14 | 1.500 | 1.450 | 1.023 | 1.003 |
| 1-1/8 | 7 | 12 | 1.687 | 1.631 | 1.181 | 1.161 |
| 1-1/4 | 7 | 12 | 1.875 | 1.812 | 1.277 | 1.257 |
| 1-1/2 | 6 | 12 | 2.250 | 2.175 | 1.531 | 1.511 |