Kep® Lock Nuts (KN)
Nominal Size or Basic Thread Diameter | F | G | H | I | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Width Across Flats | Width Across Corners | Thickness | Washer Diameter | |||||||
Basic | Max | Min | Max | Min | Max | Min | Max | Min | ||
#4 | 0.1120" | 1/4" | 0.250" | 0.241" | 0.289" | 0.275" | 0.098" | 0.087" | 0.286" | 0.277" |
#5 | 0.1250" | 1/4" | 0.250" | 0.241" | 0.289" | .0275" | 0.098" | 0.087" | 0.287" | 0.277" |
6" | 0.1380" | 5/16" | 0.312" | 0.302" | 0.361" | 0.344" | 0.114" | 0.102" | 0.348" | 0.338" |
6 SP" | 0.1380" | 1/4" | 0.250" | 0.241" | 0.289" | .0275" | 0.098" | 0.087" | 0.287" | 0.277" |
8" | 0.1640" | 11/32" | 0.344" | 0.332" | 0.397" | 0.378" | 0.130" | 0.117" | 0.381" | 0.370" |
10" | 0.1900" | 3/8" | 0.375" | 0.362" | 0.433" | 0.413" | 0.130" | 0.117" | 0.406" | 0.395" |
12" | 0.2160" | 7/16" | 0.438" | 0.423" | 0.505" | 0.482" | 0.161" | 0.148" | 0.506" | 0.494" |
1/4" | 0.2500" | 7/16" | 0.438" | 0.423" | 0.505" | 0.482" | 0.193" | 0.178" | 0.506" | 0.494" |
5/16" | 0.3125" | 1/2" | 0.500" | 0.489" | 0.577" | 0.557" | 0.273" | 0.258" | 0.592" | 0.579" |
3/8" | 0.3750" | 9/16" | 0.562" | 0.551" | 0.650" | 0.628" | 0.385" | 0.365" | 0.665" | 0.651" |
1/2" | 0.5000" | 3/4" | 0.750" | 0.736" | 0.866" | .840" | 0.437" | 0.425" | 0.898" | 0.878" |