Qualfast: M16 Hex Nut O/S Thread Galvanised (8) Hexagon Nuts - Metric Steel - H.D. Galv (Hot Dip Galvanised) - Grade 8 Over Sized Thread DIN 934 (1987) MPN: M16 Hex Nut O/S Thread Galvanised (8) Attributes: Box Quantity: 100 Driving Features: Hexagon Grade: 8 Material: Steel Surface Treatment: Hot Dip Galvanised Thread: Metric Thread Direction: Right Thread Size: M16