Metric hydraulic reducing connector BB 22/18 M22x1.5 15L / M18x1.5 12L (XG) WaryńskMetric hydraulic reducing connector BB M22x1.5 15L / M18x1.5 12L (XG) Waryński. The fasteners were designed and manufactured in accordance with applicable standards, which describe in detail the quality and dimensional requirements. They are compatible with fasteners from other renowned power hydraulics manufacturers.