Qualfast: M10 Hex Slotted/Castle Nut BZP (5) Hexagon Slotted And Castle Nut Metric Steel - Grade 5 - BZP (Bright Zinc Plated) DIN 935-1 MPN: M10 Hex Slotted/Castle Nut BZP (5) Attributes: Box Quantity: 100 Dimensions P: 1.5 Dimensions m: 12 Dimensions n: 2.8 Dimensions s: 17 Driving Features: Hexagon Grade: 5 Material: Steel Number of Slots: 6 Supplied In: 100 Surface Treatment: Zinc Plated Thread: Metric Thread Direction: Right Thread Size: M10