How to Thread Pipe; A Beginner's Tutorial - YouTube
Black Pipe
1/2' X 8' Sandblasted Iron Pipe 10 Pack Nature Finish Threaded Metal Pipe Nipple for DIY Project/Furniture/Shelving Decoration - China Malleable Iron Pipe Fitting, Pipe Fitting | Made-in-China.com
Supply Giant 1-1/4" x 8", Steel Pipe, pre cut Industrial Pipe, Threaded Pipe Nipples and Fittings, Build Vintage DIY Furniture, Galvanized (Pack Of 4) - Walmart.com
Southland 3/4 in. x 18 in. Galvanized Steel Pipe 564-180HC - The Home Depot