Metal safety screw connection straight US-M, IP 40, small packing unit suitable for metal protection hoses SPR-AS / SPR-VA / FLEXAgraff-AS / FLEXAgraff-VA metric external thread, including inner sleeve, sealing ring and O-ring, housing with hexagon wrench surface Material: nickel-plated brass Temperature range: -40°C ... +125°C Properties: high protection against dust and liquids / force-locking connection between hose and screw connection / perfect earthing / covering of the hose ends / vibration and tensile strength