Qualfast: M8 Tooth Flange Hex Nut ((8) Hexagon Nuts With Serrated Flange Metric Steel - Grade 8 DIN 6923 MPN: M8 Tooth Flange Hex Nut ((8) Attributes: Box Quantity: 250 Driving Features: Hexagon Grade: 8 Material: Steel Surface Treatment: Plain Thread: Metric Thread Direction: Right Thread Size: M8