Qualfast: M20 Welded Cap Hex Dome Nut High CR Plated (6) Hexagon Domed Cap Nut - High Type With Welded Cap Metric Steel - Cr (Crome Plated) Grade 6 DIN 1587 MPN: M20 Welded Cap Hex Dome Nut High CR Plated (6) Attributes: Box Quantity: 10 Driving Features: Hexagon Grade: 6 Material: Steel Surface Treatment: Chrome Plated Thread: Metric Thread Direction: Right Thread Size: M20