Hexagon nut, with metric internal thread according to DIN EN 60423, halogen-free. Tightening the hexagon nut by hand is only recommended! Nominal size: M 40 Height: 7 mm Wrench size: 50 mm Glow wire test according to DIN EN 60695-2-10+11/VDE 0471-2-10+11: 650° Operating temperature range: -30° to 60°C Material: Polystyrene Color: light gray RAL: 7035 (similar)
