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API SPEC 5B:2026

Current

Current

Threading, Gauging, and Inspection of Casing, Tubing, and Line Pipe Threads

Available format(s)

PDF

Language(s)

English

Published date

10-07-2026

US$227.00
Excluding Tax where applicable
Summarise this standard

This specification covers dimensions, tolerances, and marking requirements for API threads and the gauges that control the acceptance criteria for the threads.

DocumentType
Standard
Pages
118
PublisherName
American Petroleum Institute
Status
Current
Supersedes

US$227.00
Excluding Tax where applicable