The Adaptall Series 9638 Straight Steel Rigid Male Metric x Female Metric adapter bushings are durable hydraulic fittings designed to connect systems using metric threads. The male connector features a straight metric thread with a 60° recessed cone, while the female end has a straight thread and a tapered nose. The seal is created when the male cone contacts the female tapered nose, ensuring a reliable, leak-free connection. Commonly used in hydraulic systems, these adapters provide a secure and efficient connection for fluid power applications, offering strength and corrosion resistance in a variety of industrial settings.