Qualfast: M20 Flanged Hex Nut BZP (10) Grade 10 Flanged Hexagon Nut MPN: M20 Flanged Hex Nut BZP (10) Attributes: Box Quantity: 50 Driving Features: Hexagon Grade: 10 Material: Steel Surface Treatment: Zinc Plated Thread: Metric Thread Direction: Right Thread Size: M20