Qualfast: M24 Hex Slotted/Castle Nut (4) Hexagon Slotted And Castle Nut Metric Steel -Grade 4 DIN 935 1 MPN: M24 Hex Slotted/Castle Nut (4) Attributes: Box Quantity: 25 Dimensions P: 3 Dimensions m: 27 Dimensions n: 5.5 Dimensions s: 36 Driving Features: Hexagon Grade: 4 Material: Steel Number of Slots: 6 Supplied In: Pack of (25) Surface Treatment: Plain Thread: Metric Thread Direction: Right Thread Size: M24