API Spec 5B : 2017 Title: Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads, Sixteenth Edition, Includes Errata 1 (2018), Errata 2 (2018), and Addendum 1 (2018) Year: 2017 Publisher: The American Petroleum Institute Availability: Within 1-2 working days