Qualfast: M12 Hex Dome Cap Nut High BZP (6) Bright zinc-plated. Used for applications, where appearance is essential. DIN 1587. MPN: M12 Hex Dome Cap Nut High BZP (6) Attributes: Box Quantity: 100 Driving Features: Hexagon Grade: 6 Material: Steel Surface Treatment: Zinc Plated Thread: Metric Thread Direction: Right Thread Size: M12