9855 Hexagon lock nut M5x0.80 DIN985 steel zinc-Plated Class 8 Kramp Long description Self-locking hexagon nut (locknut) with a nylon ring to prevent loosening due vibration etc. Measurements type Metric Thread diameter M5 Pitch of thread 0.80 mm Wrench/Spanner size 8 mm Height 3.2 mm Total height 5 mm Material Steel Surface treatment Zinc-plated Quality 8.8 DIN standard 985 ISO standard 10511 Thread type Metric Content in sale unit 100 pcs