Lap Joint Flange - an overview | ScienceDirect Topics
Southland 1 in. Black Malleable Iron Threaded Floor Flange 521-605HN - The Home Depot
Pipe Decor 1-1/2" Malleable Cast Iron Floor Flange 4 Pack, Industrial Steel Grey Fits Standard 1.5 Inch Threaded Black Pipes and Fittings, Vintage DIY Table, Four Real Heavy Duty Plumbing Flanges - - Amazon.com