Metric cable gland tested according to DIN EN 62444, with metric connection thread according to DIN EN 60423, halogen-free, connection thread sealing ring 987M...please order separately. Tightening the cable gland by hand is only recommended! Nominal size: M 12 for cable Ø: 3 - 6 mm Connection thread length: 8 mm Wrench size: 16 mm Glow wire test according to DIN EN 60695-2-10+11/VDE 0471-2-10+11: 650° Protection class: IP54 Operating temperature range: -30° to 60°C Material of screw connection body: Polystyrene Material of sealing ring: SBR/NBR Material of pressure ring: POM (polyoxymethylene) Color: light gray RAL: 7035 (similar)