Qualfast: M16 Flanged Hex Nut BZP (8) Hexagon Nuts With Flange Metric Steel - BZP (Bright Zinc Plated) Grade 8 DIN 6923 MPN: M16 Flanged Hex Nut BZP (8) Attributes: Box Quantity: 50 Driving Features: Hexagon Grade: 8 Material: Steel Surface Treatment: Zinc Plated Thread: Metric Thread Direction: Right Thread Size: M16