Qualfast: M5 Knurled Thumb Nut Thin BZP (5) Knurled Thumb Nuts Metric Steel - BZP (Bright Zinc Plated) DIN 467 MPN: M5 Knurled Thumb Nut Thin BZP (5) Attributes: Box Quantity: 50 Driving Features: Knurled Head Grade: 5 Leading Standard: DIN 467 Length: 11.5mm Material: Steel Standards Met: DIN 467 Surface Treatment: Zinc Plated System of Measurement: Metric Thread: Metric Thread Direction: Right Thread Size: M5