HS-3 Hardware Home » Products » Specification Drainage Products » Parts » HS-3 Hardware MIFAB®’s HS-3 galvanized steel, 3/8″ x 10″ set of three studs, 9 washers and nuts. Specification Sheet Catalog Catalog List Pricing Current Catalog: MPB-2025-04-USA Downloads Downloads Features & Benefits Typical Installations Outlet Selection Guide All Star Cover Flyer Drain Specifications Terms and Warranty Videos Videos Top Set Drain Demonstration All-Star Drain Video Return to Products