The SEALFAST 3" shank coupler is an unmachined aluminum component designed for robust connections in various applications. This coupler features a 3" diameter, providing a secure fit for pipes and hoses. Its lightweight aluminum construction ensures ease of handling while maintaining strength and durability. Ideal for use in plumbing and industrial systems, this coupler is compatible with standard fittings and meets industry specifications for quality and performance. Perfect for custom machining, it allows for tailored solutions in your projects.