Qualfast: M10 Lock Nut N/M Inset Z&Y (5) Lock Nut, Prevailing Torque Type - Nylon Insert, Metric, Steel, ZY (Zinc Yellow Passivated) - Grade 5, DIN 985. MPN: 12302.100.001 EAN: M10 Lock Nut N/M Inset Z&Y (5) Attributes: Box Quantity: Driving Features: Hexagon Grade: 5 Leading Standard: DIN 985 (1987) Material: Steel Nut Type: Nylon Insert Surface Treatment: Zinc Plated Yellow Passivated Thread: Metric Thread Direction: Right Thread Size: M10