Metal safety screw connection straight USZ-EX-M, IP 40 suitable for metal protection hoses SPR-AS / SPR-VA / FLEXAgraff-AS / FLEXAgraff-VA metric external thread, including inner sleeve, sealing ring or brass pressure ring, housing with hexagon wrench flat, strain relief, use in EX areas Material: nickel-plated brass Temperature range: -40°C ... +100°C Properties: high dust and liquid protection / force-locking connection of hose/screw connection / perfect earthing / vibration and tensile strength / increased safety 'e' according to EN 60079-0:2006, EN 60079-7:2007, EN 61241-0:2006 and EN 61241-1:2004