Keps Nut
These nuts have a free-spinning external tooth lock washer to resist loosening once fastened.
Other Names: K-Lock Nuts
Typical Dimensions
| Thread Dia. | Across Flats | Thickness |
|---|---|---|
| No. 4 | 1/4 | 0.087 - 0.098 |
| No. 6 | 5/16 | 0.102 - 0.114 |
| No. 8 | 11/32 | 0.117 - 0.130 |
| No. 10 | 3/8 | 0.117 - 0.130 |
| No. 12 | 7/16 | 0.148 - 0.161 |
| 1/4 | 7/16 | 0.178 - 0.193 |
| 5/16 | 1/2 | 0.258 - 0.273 |
| 3/8 | 9/16 | 0.320 - 0.337 |