PA66 (Polyamide 66) = Nylon 66/Lock Nut

[Basic shape] Hex nut
[Material] PA66
[Surface treatment] None screw thread
[Type] Metric coarse application / function general
[Sales unit] Sold separately (can be purchased as a single unit)
[Surface treatment] (details) none
[Nominal designation of screw thread (M)] 3 4 B 5.5 7 H 4.3 5.8
[Pitch (mm)] 0.5 0.7